National Class 1 Agricultural Vehicle and Combination Mass and Dimension Exemption Notice Operator's Guide - November 2020 - | NHVR

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National Class 1 Agricultural Vehicle and Combination Mass and Dimension Exemption Notice Operator's Guide - November 2020 - | NHVR
National Class 1 Agricultural Vehicle
and Combination Mass and Dimension
  Exemption Notice Operator’s Guide
                           November 2020
National Class 1 Agricultural Vehicle and Combination Mass and Dimension Exemption Notice Operator's Guide - November 2020 - | NHVR
Contents

    Introduction and preliminary information                         3        Special conditions for travel in New South Wales                           24
    Agricultural vehicles and combinations                           6        Special conditions for travel in Queensland                                34
    Dimension and mass limits                                        8        Special conditions for travel in South Australia                           42
    Braking and tow mass ratio requirements                          11       Special conditions for travel in Victoria                                  43
    Approved networks and mapped conditions                         12        Appendix 1 – New South Wales Agricultural Vehicle
                                                                                            Route Assessment                                              44
    Dimension and pilot conditions for allowable night travel       14
                                                                               Appendix 2 – Sugarcane harvester excluded areas
    Travel conditions                                               15
                                                                                            and approved roads                                            46
    Warning device conditions                                       16
                                                                               Appendix 3 – Sample list of common agricultural vehicle
    Pilot vehicles                                                  18                     conditions from Schedule 8 of the MDL
                                                                                            Regulation47
    Escort vehicle requirements                                     21
                                                                               Appendix 4 – Portable road side warning sign designs
    Special conditions for eligible cotton harvesters               22
                                                                                            for Queensland                                                52
    Special conditions for travel in the Australian Capital
                                                                               Appendix 5 – Road Manager conditions                                      57
    Territory23
                                                                               Appendix 6 – Braking performance test                                     58

2                                                    National Class 1 Agricultural Vehicle and Combination Mass and Dimension Exemption Notice Operator’s Guide
National Class 1 Agricultural Vehicle and Combination Mass and Dimension Exemption Notice Operator's Guide - November 2020 - | NHVR
Introduction and preliminary information

Purpose                                                                               If travel is not allowed under the Notice
This National Class 1 Agricultural Vehicle and Combination                            If travel is not allowed under the Notice, access may be
Mass and Dimension Exemption Notice Operator’s Guide (the                             possible under a Class 1 mass and/or dimension permit for
Guide) complements the National Class 1 Agricultural Vehicle                          the agricultural vehicle or combination, subject to a granting of
and Combination Mass and Dimension Exemption Notice                                   consent by the relevant road manager/s.
2020 (No. 1) (the Notice).
                                                                                      For more information, please contact the NHVR by email
These documents outline the requirements for travelling on public                     at info@nhvr.gov.au or by phone on 1300 MYNHVR
roads for oversize and/or overmass agricultural vehicles and                          (1300 696 487).
combinations that exceed prescribed mass and dimension limits.
These documents must be read in conjunction with each other                           Complying with the HVNL
and are applicable to the Australian Capital Territory, New South
                                                                                      Unless otherwise exempted by the Notice or the Guide,
Wales, Queensland, South Australia, Tasmania and Victoria.
                                                                                      operators must ensure their agricultural vehicle or combination
These documents must also be read in conjunction with the                             complies with the Australian Design Rules (ADRs), the HVNL, the
Agricultural Heavy Vehicle Zone Map (the Map), which is                               MDL Regulation and the VS Regulation.
published and maintained by the National Heavy Vehicle
                                                                                      Using or permitting another person to use a defective heavy
Regulator (NHVR).
                                                                                      vehicle, or a heavy vehicle with unapproved modifications, on
Unless an exemption is specified in the Guide, the Notice                             a road may be an offence.
or the Map, heavy agricultural vehicles and combinations
                                                                                      Failure to comply may result in the driver and/or operator
must comply with the Heavy Vehicle National Law (HVNL),
                                                                                      being liable for an offence.
the Heavy Vehicle (Mass, Dimension and Loading) National
Regulation (MDL Regulation), and the Heavy Vehicle (Vehicle                           Penalties can include infringement notices or prosecution.
Standards) National Regulation (VS Regulation).
                                                                                      For more information, see the Compliance and Enforcement
Operators can find these documents at www.nhvr.gov.au/law-                            Bulletins at www.nhvr.gov.au/ce-bulletins.
policies/heavy-vehicle-national-law-and-regulations.
                                                                                      Chain of Responsibility
About the Operator’s Guide                                                            Under the HVNL, each party in the Chain of Responsibility
The Guide must be read in conjunction with the Notice and the                         (CoR) has a positive duty to ensure the safety of their activities
Map.                                                                                  in relation to a heavy vehicle. This duty, known as the “primary
                                                                                      duty”, applies to the scheduling, loading and consigning of a
The Guide and the Map identify and prescribe operating
                                                                                      vehicle, as well as to its operation on a road.
conditions that are referred to in the Notice.
                                                                                      Safety is broader than the safety of drivers and other road
The conditions include jurisdiction and road manager
                                                                                      users. It also includes protection of road infrastructure,
requirements that are applicable to specific roads and/or
                                                                                      preventing damage to other vehicles or property, and
areas (e.g. escort requirements on certain roads, do not cross
                                                                                      minimising environmental harm. Substantial penalties may be
structures).
                                                                                      imposed upon parties who breach this obligation and upon
                                                                                      their executives.
When travel is not allowed                                                            For more information on your CoR obligations, see
Travel is not allowed under the Notice if:                                            www.nhvr.gov.au/cor.
• a mass exceeds a mass limit or a condition relating to mass
• a dimension exceeds the dimension limit for the Zone of                             Access transition period
  travel or does not meet a condition relating to a dimension
                                                                                      Agricultural vehicles and combinations may operate under
• a dimension exceeds Zone 1 dimension limits on an
                                                                                      the Notice (if consent has been provided by all relevant road
  Agricultural Heavy Vehicle Restricted Road
                                                                                      managers) or the list of authorisation instruments in Table 1.
• travel would not comply with any conditions of the Notice,
  the Guide or the Map.                                                               Operators must operate under only the Notice, or the
                                                                                      authorisation instruments in Table 1, for their entire journey.
                                                                                      No ‘mix and match’ of provisions, exemptions, conditions or
                                                                                      approved areas and routes is allowed between the Notice and
                                                                                      the authorisation instruments in Table 1.
                                                                                      This access transition period provides operators certainty that
                                                                                      they can continue to operate legally on public roads, as well as
                                                                                      time to understand how to comply with the Notice.
                                                                                      The access transition period will be in effect until either the date
                                                                                      of expiry of the authorisation instrument or its early revocation,
                                                                                      in which case it will cease to have legal effect.

National Class 1 Agricultural Vehicle and Combination Mass and Dimension Exemption Notice Operator’s Guide                                                   3
National Class 1 Agricultural Vehicle and Combination Mass and Dimension Exemption Notice Operator's Guide - November 2020 - | NHVR
Third-party approvals
    Table 1: Authorisation instruments
                                                                                        Third-party entities are sometimes required by laws other than
    State               Authorisation instrument                                        the HVNL to provide approval, or to be consulted, if a vehicle
    Australian          No authorisation instrument currently exists in the
                                                                                        movement exceeds certain mass or dimension limits under that
    Capital Territory   Australian Capital Territory that governs the travel            law.
    New South Wales     of oversize or overmass agricultural vehicles and               For example, in Victoria, a clearance of less than 1.5m between
    and Tasmania        combinations.
                                                                                        the sag of a power line and the height of a vehicle may require
    Queensland          Queensland Agricultural Machines and Cane Bins                  approval to be obtained from the power line utility operator
                        Flotation Tyres Mass Exemption Notice 2017 (No. 1)              prior to travel.
                        Queensland Class 1 Comb Trailer Dimension
                        Exemption Notice 2017 (No. 1)                                   If an operator is aware of a third-party approval requirement,
    South Australia     South Australia Class 1 Agricultural Vehicle Mass and           they must obtain all necessary approvals prior to travel.
                        Dimension Exemption Notice 2019 (No.1)                          Examples of third parties that may require consultation
                        Code of practice for oversize or overmass agricultural          are rail infrastructure managers, tunnel operators, and
                        vehicles                                                        telecommunications and power line utility operators.
                        South Australia Class 1 Rubber Tracked Tractor Mass
                        and Dimension Exemption Notice 2019                             A list of third parties’ and other entities’ contact information
                        Code of Practice for Rubber Tracked Tractors                    is located at www.nhvr.gov.au/road-access/access-
                                                                                        management/third-parties-and-other-entities-contact-
    Victoria            Victoria Class 1 Agricultural Vehicle Exemption Notice
                                                                                        information
                        2018 (No.3)

                                                                                        Schedule 8 of the MDL Regulation
                                                                                        Unless otherwise stated, eligible agricultural vehicles and
                                                                                        combinations must comply with Schedule 8 of the MDL
                                                                                        Regulation (Conditions of mass or dimension exemptions
                                                                                        applying to class 1 heavy vehicles). In particular:
                                                                                        Part 1 Division 1 (General conditions)
                                                                                        Part 1 Division 4 (Agricultural vehicles)
                                                                                        Part 1 Division 5 (Pilot and escort vehicles)
                                                                                        Part 3 Division 1 (Warning lights)
                                                                                        Part 3 Division 2 (Warning signs)
                                                                                        Refer to Appendix 3 for relevant material from the MDL
                                                                                        Regulation to comply with the provisions of the Notice.

4                                                             National Class 1 Agricultural Vehicle and Combination Mass and Dimension Exemption Notice Operator’s Guide
Registration                                                                          Licensing
An eligible vehicle must have registration or conditional                             In order to drive a heavy agricultural vehicle or agricultural
registration before operating on the road network.                                    combination on public roads, operators require a licence of the
                                                                                      appropriate class.
Conditional registration is registration for non-standard vehicles
that do not comply with the standard registration regulations                         The NHVR is not responsible for licence requirements. State
and have a genuine need for limited access to the road                                and territory governments administer the licensing aspect of
network.                                                                              transport law.
As agricultural machines have their own automotive power,                             Licensing requirements are dependent on the state or territory.
they generally need to be registered.                                                 For further information, please use the links below or contact
                                                                                      the relevant state or territory transport department:
Some agricultural implements and trailers may not require
registration.
                                                                                      Australian Capital Territory
The NHVR is not responsible for registration or conditional
                                                                                      Access Canberra
registration. State and territory governments administer the
                                                                                      www.accesscanberra.act.gov.au/app/answers/detail/a_
registration aspect of transport law.
                                                                                      id/1581/~/act-driver-licence-information
Registration requirements are dependent on the state or
territory. For further information, please use the links below or                     New South Wales
contact the relevant state or territory transport department:
                                                                                      Transport for NSW (TfNSW)
                                                                                      www.rms.nsw.gov.au/business-industry/heavy-vehicles/
Australian Capital Territory
                                                                                      licence/index.html
Access Canberra
www.accesscanberra.act.gov.au/app/answers/detail/a_                                   Queensland
id/694/~/motor-vehicle-registration-and-renewal
                                                                                      Department of Transport and Main Roads (TMR)
                                                                                      www.tmr.qld.gov.au/Licensing/Getting-a-licence.aspx
New South Wales
Transport for NSW (TfNSW)                                                             South Australia
www.rms.nsw.gov.au/roads/registration/index.html
                                                                                      Department for Infrastructure and Transport (DIT)
                                                                                      www.sa.gov.au/topics/driving-and-transport/drivers-and-
Queensland
                                                                                      licences
Department of Transport and Main Roads (TMR)
www.qld.gov.au/transport/registration                                                 Tasmania
                                                                                      Department of State Growth
South Australia
                                                                                      www.transport.tas.gov.au/licensing
Department for Infrastructure and Transport (DIT)
www.sa.gov.au/topics/driving-and-transport/vehicles-and-                              Victoria
registration/vehicle-registration
                                                                                      VicRoads
                                                                                      www.vicroads.vic.gov.au/licences
Tasmania
Department of State Growth
www.transport.tas.gov.au/registration
                                                                                      Complying with licensing conditions
                                                                                      Travel on public roads must be conducted in accordance with
Victoria                                                                              any licensing conditions that may apply.
VicRoads
www.vicroads.vic.gov.au/registration

Complying with registration conditions
Travel on public roads must be conducted in accordance with
any registration conditions that may apply.

National Class 1 Agricultural Vehicle and Combination Mass and Dimension Exemption Notice Operator’s Guide                                              5
Agricultural vehicles and combinations

    Agricultural vehicles and combinations                                         For more information, please contact the NHVR by email
                                                                                   at info@nhvr.gov.au or by phone on 1300 MYNHVR
    To operate under the Notice, a vehicle must be an agricultural
                                                                                   (1300 696 487).
    vehicle or an agricultural combination.
    Table 2 outlines the terms and definitions related to agricultural
    vehicles and agricultural combinations in the HVNL.
                                                                                   Maximum number of towed units in a
                                                                                   combination
    Table 2: Terms and definitions related to agricultural vehicles
                                                                                   In the Australian Capital Territory, New South Wales, Tasmania,
    Term                           Definition                                      Victoria and Queensland an agricultural combination must not
    Agricultural implement         A vehicle without its own automotive            consist of more than two implements or trailers being towed.
                                   power, built to perform agricultural
                                   tasks, and includes an agricultural             For travel in South Australia, there is no limit to the number of
                                   trailer.                                        implements or trailers that may be towed in an agricultural
                                   Examples include: auger, conveyor,              combination.
                                   field bin, harvester front, irrigating
                                   equipment or machinery.
    Agricultural machine           Means a vehicle with its own                    Maximum operating speed for agricultural
                                   automotive power, built to perform              combinations
                                   agricultural tasks.
                                   Examples include: harvester, tractor.           Table 3
    Agricultural task              Means a task carried out in agriculture.         Brake test          Trailer brakes     Tow mass ratio              Speed limit is
                                   Examples include: cultivating land,              conducted?                             limit                       the lesser of:
                                   growing and harvesting crops, rearing
                                   livestock.                                       Conducted to        Any                No more than                                                     No more
                                                                                    and meets the                          the operating                                                    than the
    Agricultural trailer           Means a trailer that is designed to              requirements                           mass and tow                                                     speed
                                   carry a load and used exclusively to             of Alternate                           mass ratio used                                                  used in the
                                   perform agricultural tasks, but does             method – Brake                         in the braking                                                   braking
                                   not include a semitrailer.                       performance                            performance                                                      performance
                                   Examples include: field bin, silage              test on page 58                        test                                                             test

                                                                                                                                              The posted speed limit on a section of road
                                   trailer.                                         and Table 23
    Agricultural vehicle           Means an agricultural implement or               No braking          Not compliant      No greater than                                                  50 km/h
                                   agricultural machine.                            performance         with ADR38/00      1:1.2
                                                                                    test conducted
                                                                                                                           Greater than                                                     25 km/h
    Agricultural combinations                                                                                              1:1.2, but not
                                                                                                                           greater than
    Agricultural combinations are combinations where at least                                                              1:1.5
    one unit is an agricultural machine, agricultural implement or
                                                                                                                           Greater than                                                     Operation
    agricultural trailer.                                                                                                  1:1.5                                                            prohibited
    An agricultural vehicle includes an agricultural implement or                                                                                                                           under this
                                                                                                                                                                                            Notice
    trailer.
                                                                                                        Equipped           No greater than                                                  50 km/h
    Please refer to Table 2 to determine whether your combination                                       with brakes        1:3
    includes an agricultural vehicle, agricultural implement or                                         compliant with
    agricultural trailer.                                                                               ADR38/00 –
                                                                                                        trailer brake
    Non-agricultural vehicles or trailers used in an                                                    systems
    agricultural combination
    To be classified as an agricultural combination, at least one                  Carriage of loads
    unit in the combination must be an agricultural machine,
                                                                                   Agricultural implements (which include agricultural trailers)
    agricultural implement or agricultural trailer.
                                                                                   used in agricultural combinations operating under the Notice
                                                                                   may carry a load if:
    Non-agricultural combinations
                                                                                    • all loads are properly restrained; and
    A non-agricultural vehicle towing a non-agricultural trailer
                                                                                    • all loads are transported for the purpose of the agricultural
    cannot operate under the Notice, even if they are transporting
                                                                                      task performed by the implement; and
    equipment or goods used in agricultural activities.
                                                                                    • the combination complies with the towed mass ratio, braking
    Depending on the combination, access may be granted under                         and speed limit requirements of the Notice; and the vehicle
    another notice or a Class 1, Class 2 or Class 3 mass and/                         and combination complies with other provisions of the Notice.
    or dimension permit, subject to a granting of consent by the
                                                                                   Examples are field bins, silage trailers, fertiliser spreaders and
    relevant road manager/s.
                                                                                   seeders, as long as the load they are carrying is relevant to the
                                                                                   agricultural task being performed by the agricultural implement
                                                                                   or trailer.

6                                                        National Class 1 Agricultural Vehicle and Combination Mass and Dimension Exemption Notice Operator’s Guide
If the load on an agricultural implement or trailer is not                            Delineators must be designed and fitted in accordance with
relevant to the agricultural task, then the agricultural vehicle                      Section 3 (3) of Schedule 8 of the MDL Regulation.
or combination is not covered by the Notice. For example,
                                                                                      Refer to Appendix 3 for relevant information from the MDL
bagged fertiliser being carried on a silage trailer, which
                                                                                      Regulation relating to warning light and delineator requirements.
causes the combination to exceed regulation mass limits, is
not covered by the Notice, as the load is not relevant to the
agricultural task the trailer performs.                                               Light agricultural vehicles and implements
In these cases, access may be granted under another notice or                         Light agricultural vehicles (including agricultural trailers and
under a Class 1 or Class 3 mass and/or dimension permit, subject                      implements) are those with a GVM 1 or ATM 2 not exceeding
to a granting of consent by the relevant road manager/s.                              4.5 tonnes.
For more information, please contact the NHVR by email at                             Light agricultural vehicles operating as single vehicles (e.g.
info@nhvr.gov.au or by phone on 1300 MYNHVR (1300 696 487).                           tractors with a GVM up to 4.5 tonnes) and light agricultural
                                                                                      combinations are not covered by this Notice. This Notice only
                                                                                      relates to heavy agricultural vehicles or heavy agricultural
Warning lights and delineators if a load projects                                     combinations.
from a vehicle
                                                                                      Please note that there may be state- or territory-specific
As per Section 3 of Schedule 8 of the MDL Regulation, an                              legislation relating to the movement of light vehicles and
agricultural vehicle or combination requires warning lights and                       light combinations that are over dimension. These are not
delineators if:                                                                       administered by the NHVR. For further information, please
                                                                                      contact the relevant state or territory transport department.
• a load projects more than 150mm beyond the side of the
   vehicle or combination; and                                                        If a light agricultural vehicle is part of a heavy agricultural
• the projection is less than 500mm thick from top to bottom.                         combination, then the combination must comply with the
                                                                                      Notice or other HVNL provisions.
Warning lights must be designed and fitted in accordance with
Schedule 8 Part 3 Division 1 of the MDL Regulation.                                   A heavy agricultural combination must include at least one
                                                                                      component heavy vehicle (with a GVM or ATM above 4.5
                                                                                      tonnes) – even if the others are light vehicles.

Table 4: Examples of light and heavy agricultural vehicles and combinations
 Vehicle/Machine                 Implement/Trailer                 Agricultural Combination                       Light or Heavy?

                                                                                                                  This is a light combination consisting of a
                                                                                                                  light machine and a light implement.
                                                                                                                  All units are below 4.5 tonnes.
   GVM = 2.0 tonnes (light)         ATM = 2.0 tonnes (light)                   Light combination (light)

                                                                                                                  This is a light combination consisting of a
                                                                                                                  light machine and a light implement.
                                                                                                                  Although the total mass is over 4.5 tonnes,
                                                                                                                  all units are below 4.5 tonnes.
   GVM = 4.0 tonnes (light)         ATM = 4.0 tonnes (light)                   Light combination (light)

                                                                                                                  This is a heavy combination consisting of a
                                                                                                                  heavy machine and a light implement.
                                                                                                                  At least one unit is over 4.5 tonnes.
  GVM = 5.0 tonnes (heavy)          ATM = 2.0 tonnes (light)                 Heavy combination (heavy)

                                                                                                                  This is a heavy combination consisting of a
                                                                                                                  light machine and a heavy implement.
                                                                                                                  At least one unit is over 4.5 tonnes.
   GVM = 4.0 tonnes (light)         ATM = 5.0 tonnes (heavy)                 Heavy combination (heavy)

  Gross
1	       Vehicle Mass (GVM) is the maximum loaded mass of a motor vehicle allowed under the HVNL.
  Aggregate
2	            Trailer Mass (ATM) is the maximum loaded mass of a trailer allowed under the HVNL.

National Class 1 Agricultural Vehicle and Combination Mass and Dimension Exemption Notice Operator’s Guide                                                      7
Dimension and mass limits

    Agricultural Heavy Vehicle Zones                                             Higher dimension limits for certain jurisdictions
    The Notice grants agricultural vehicles and combinations                     Due to local productivity needs within a Zone in certain states
    access to Agricultural Heavy Vehicle Zones (Zones).                          or territories, some dimension limits are higher than those
                                                                                 outlined in Table 5.
    Zones are an area of operation, and agricultural vehicles and
    combinations must comply with the dimension limits for the                   These higher dimension limits are:
    Zone of travel (Table 5).
                                                                                  • For operation in Victoria in Zone 1 and South Australia in
    Access is to all public roads in a Zone at any time, unless                     Zone 1, single vehicle lengths may be up to 15.0m.
    otherwise stated in the Notice, Guide or Map.                                 • For operation in Victoria in Zones 1 and 2, and New South
                                                                                    Wales in Zones 1 and 2, agricultural implement lengths may
    Table 5: Agricultural Heavy Vehicle Zone dimension limits
                                                                                    be up to 16.0m.
    Exempted                Zone and maximum dimension limit (metres)             • For operation in Victoria in Zone 1, auger and conveyor rear
    dimension                1        2        3         4        5                 overhang may be up to 8.0m.
    requirement                                                                   • For operation in New South Wales in Zone 1, auger
    Single vehicle length 12.5     15.0     15.0      15.0      15.0                and conveyor rear overhang may be up to 7.0m, if the
    Articulated vehicle
                                                                                    agricultural combination is accompanied by a pilot vehicle
                          19.0     19.0     19.0      19.0      19.0                positioned at the rear.
    length
                                                                                  • For operation in Queensland, the rear overhang of a
    Combination length    25.0     25.0     25.0      35.0      35.0
                                                                                    sugarcane harvester may be up to 7.8m during the daytime
    Agricultural                                                                    and night-time, subject to compliance with any pilot vehicle
                          12.5     15.0     20.0      25.0      25.0
    implement length                                                                conditions that may exist. Please refer to the pilot vehicle
    Height                5.0      5.0      5.0       5.0       5.0                 requirements section on page 20 and Appendix 2 of the
    Width                 3.0      3.7      5.0       6.5       7.5                 Guide for more details.
    Single vehicle rear
                          5.5      5.5      5.5       5.5       5.5
    overhang                                                                     Mass limits
    Auger and conveyor
                          5.5      8.0      9.0       10.0      10.0             The mass of an agricultural vehicle or combination operating
    rear overhang
                                                                                 under the Notice must not exceed:
    Implement Rear
                          5.5      5.5      5.5       6.5       6.5               • 45.0 tonnes; or
    Overhang
                                                                                  • the mass of a single axle or axle group in Table 6.
    Harvester rear
                          5.5      5.5      5.5       6.5       6.5
    overhang                                                                     Table 6: Conditional mass limits
                                                                                  Number and width of tyres on        Single axle mass      Axle group mass
                                                                                  an axle                              limit (tonnes)        limit (tonnes)
    Lower dimension limits for certain jurisdictions
                                                                                  Axle fitted with 2 tyres and a             10.0            20.0 on tandem
    For road safety reasons associated with travel within a Zone                  tyre width less than 16 inches                               axle group;
    in certain states or territories, some dimension limits are lower             (406mm)                                                    27.0 on tri-axle
    than those outlined in Table 5.                                                                                                               group

    These lower dimension limits are:                                             Axle fitted with 2 tyres and a             12.0            24.0 on tandem
                                                                                  tyre width at least 16 inches                                axle group
    • For operation in Victoria in Zone 1, the maximum width is                   (406mm)
      2.5m.                                                                       Axle fitted with 4 tyres and               9.0                   N/A
    • For operation in Victoria in Zones 2, 3 and 4, the maximum                  a ground contact width less
      width of agricultural implements that are operating as an                   than 2.51m
      agricultural trailer is 3.0m.                                               Axle fitted with 4 tyres and a             10.5                  N/A
                                                                                  ground contact width at least
      Note: This only applies to agricultural implements operating                2.51m but not more than 3.5m
      as an agricultural trailer and does not apply to agricultural
      machines. Agricultural machines can operate at the width limits             Axle fitted with 4 tyres and a             12.0                  N/A
                                                                                  ground contact width more
      in Table 5                                                                  than 3.5m
    • For operation in South Australia in Zone 1, the maximum
      combination length is 19.0m.

8                                                      National Class 1 Agricultural Vehicle and Combination Mass and Dimension Exemption Notice Operator’s Guide
Cane bin tri-axle mass limit                                                          Rubber tracked tractors
Agricultural machine and cane bin combinations with tri-axle                          Under the Notice, a rubber tracked tractor is an agricultural
groups may operate with a tri-axle group mass of up to 28.0                           machine designed to tow and provide power for agricultural
tonnes in Queensland.                                                                 implements and trailers. A rubber tracked tractor must have at
                                                                                      least one pair of rubber tracks. Examples of the three types of
                                                                                      eligible rubber tracked tractors are:
Maximum operating mass
                                                                                       • one pair of tracks and no conventional wheeled axle (dual
Agricultural vehicles and combinations are limited to a mass
                                                                                          tracked tractor)
that is the lesser of:
                                                                                       • two pairs of tracks and no conventional wheeled axle (quad
• the mass limits specified and prescribed in the Notice;                                 tracked tractor)
• the mass determined by the tow mass ratios specified and                             • one pair of tracks and one conventional wheeled axle (half
   prescribed in the Notice; and                                                          tracked tractor).
• any manufacturer’s ratings.

Travelling over bridges in Queensland
This condition applies for all travel in Queensland, regardless of
the Zone of travel.                                                                   Figure 2: Dual tracked tractor
The driver of an agricultural vehicle or combination must not
drive over a bridge in Queensland if the total mass of the
vehicle exceeds the Gross Mass Limit Formula, as follows:
Mass in tonnes = (3 x L) + 12.5
where:
‘L’ is the distance in metres between the centre lines of the                         Figure 3: Quad tracked tractor         Figure 4: Half tracked tractor
extreme axles of any axle group.

                                                                                      Rubber tracked tractor requirements for travel in
                                                                                      all states and territories (other than Queensland)
                                                                                      Table 7: Rubber tracked mass limits
                                                                                                             Dual tracked   Quad tracked     Half tracked
                                                                                                               tractor        tractor          tractor
                  L                                       L
                                                                                       Total mass               24.0t          24.0t             24.0t
                                                                                       Track axle                n/a            n/a               n/a
                                                                                       mass limits
                                                                                       Wheeled                   n/a            n/a         Refer to Table 6
                                                                                       axle mass
                                                                                       limit
            L
                         L
                                    L
                                                      L

Figure 1: Example illustrations showing distance “L”

National Class 1 Agricultural Vehicle and Combination Mass and Dimension Exemption Notice Operator’s Guide                                                     9
Rubber tracked tractor requirements for travel in
     Queensland
     For travel in Queensland, rubber tracked tractors must meet
     the following requirements.
     Table 8: Queensland rubber tracked tractor requirements
                   Dual tracked         Quad tracked         Half tracked
                   tractor              tractor              tractor
     Track width   At least 16 inches   At least 16 inches   At least 16 inches
                   (406mm)              (406mm)              (406mm)
     Track length Length must        • At least 1.2m         • At least 1.2m
                  enable the tractor   between the             between the
                  to comply with       centrelines of          centrelines of
                  the Gross Mass       the foremost            the foremost
                  Limit Formula (3L    and rearmost            and rearmost
                  + 12.5) for travel   axles of each           axles of each
                  over bridges in      track; and              track; and
                  Queensland         • Length must           • Length must
                                       enable the              enable the
                                       tractor to              tractor to
                                       comply with             comply with
                                       the Gross Mass          the Gross Mass
                                       Limit Formula           Limit Formula
                                       (3L + 12.5) for         (3L + 12.5) for
                                       travel over             travel over
                                       bridges in              bridges in
                                       Queensland              Queensland
     Total mass    24.0t                28.0t                24.0t
     Track axle    Maximum mass         A mass not           A mass not
     mass limits   of 12.0t per track   exceeding 7.0t       exceeding 7.0t
                                        per track, or 14     per track, or 14
                                        tonnes per pair of   tonnes per pair of
                                        tracks               tracks
     Wheeled       n/a                  n/a                  Refer to Table 6
     axle mass
     limit

     Rubber tracked tractor requirements for travel in
     Victoria
     For travel in Victoria, rubber tracked tractors must comply with
     the following conditions:
     • travel at a maximum speed of 30 km/h; and
     • where practicable, avoid turning movements on road
       surfaces, particularly sealed pavements, to minimise road
       damage.

10                                                           National Class 1 Agricultural Vehicle and Combination Mass and Dimension Exemption Notice Operator’s Guide
Braking and tow mass ratio requirements

Important note                                                                        For example, a tractor with GVM of 10 tonnes that is towing a
                                                                                      trailer with GVM 12 tonnes has a tow mass ratio of 1:1.2.
You must take extra care when towing a trailer or another
vehicle, particularly if the towed vehicle is not fitted with brakes.
                                                                                      Alternate method – Braking performance test
This is because, with the extra mass behind the towing vehicle,
your combination vehicle may be less stable, have slower                              All heavy vehicles are required to have acceptable braking
acceleration, and may take longer to stop.                                            performance.
                                                                                      In this Notice, braking performance is demonstrated by:
Braking requirements for agricultural machines                                         • tow mass ratio and speed limits; or
and motor vehicles                                                                     • braking performance test.

Agricultural machines and motor vehicles that provide the driving                     Please refer to Appendix 5 for more information on the braking
power in an agricultural combination must be fitted with brakes.                      performance test.

Braking requirements for agricultural implements
or trailers
Trailers and implements towed in an agricultural combination are not
required to be fitted with brakes; however, to promote acceptable
braking performance, agricultural combinations are subject to:
 a) tow mass ratio requirements; or
 b) braking performance testing as detailed in Alternate
    method – Braking performance test.

Tow mass ratio restrictions for agricultural
combinations
Complying braking system
For agricultural combinations where all towed implements
and/or trailers comply with Australian Design Rule 38/00 –
Trailer Brake Systems, the towed vehicles may have a combined
total mass up to 3.0 times the mass of the towing vehicle.
For example, for an agricultural combination where all units
have complying brakes, if a tractor has a GVM of 10 tonnes, it
may tow trailers with a combined GVM of up to 30 tonnes
(i.e. a tow mass ratio of 1:3.0).

Non-complying braking system
If an agricultural combination includes at least one implement
or trailer that is not compliant with Australian Design Rule
38/00 – Trailer Brake Systems, the towed implements and/or
trailers may have a combined total mass of:
• greater than 1.2 and up to 1.5 times more than the mass of
  the towing vehicle, and the combination must travel at a
  maximum speed of 25km/h
• up to and including 1.2 times the mass of the towing vehicle,
  and the combination must travel at a maximum speed of
  50km/h.

Determining Tow Mass Ratio
Tow Mass Ratio means the ratio of the mass of the towing
vehicle to the combined mass of the towed implements and/
or trailers, when all vehicles are connected as part of an
agricultural combination.
Towing and towed vehicle masses include any load being
carried by the vehicles.

National Class 1 Agricultural Vehicle and Combination Mass and Dimension Exemption Notice Operator’s Guide                                             11
Approved networks and mapped conditions

     The approved network                                                           Restrictions on roads or areas
     The Notice grants agricultural vehicles and combinations                       The Map or the Guide may identify restricted roads or areas
     access to Zones.                                                               that must not be travelled on or have restrictions on travel.
     Zones are identified on the Map, published and maintained by                   An agricultural vehicle or combination must travel only in
     the NHVR.                                                                      accordance with any conditions or restrictions that may apply.
     Zones are an area of operation, and agricultural vehicles and
                                                                                    Restricted structures
     combinations must comply with the dimension limits for the
     Zone of travel (refer to the Dimension and mass limits section of              The Map or the Guide may identify restricted structures that
     this Guide on page 8).                                                         must not be crossed or are subject to restricted access.
     Access is to all public roads in a Zone at any time, unless                    An agricultural vehicle or combination must not be used on a
     otherwise stated in the Notice, Guide or Map.                                  structure with a signed load limit if the mass of the vehicle or
                                                                                    combination exceeds the mass indicated on the signed load
     Zones have been granted consent by the relevant state and
                                                                                    limit.
     territory jurisdictions and road managers.
                                                                                    An agricultural vehicle or combination must not travel over a
                                                                                    restricted structure with no signed mass limit if it has a mass
     Zones shown as pending on the Map                                              greater than any one of the following mass limits:
     If an area is identified as pending on the Map, then travel
                                                                                     • mass on an axle fitted with 2 tyres – 6.0 tonnes
     is not allowed on local government roads under the Notice
                                                                                     • mass on an axle fitted with 4 tyres – 10.0 tonnes
     as consent has not yet been granted by the relevant local
                                                                                     • mass of the vehicle or combination – 42.5 tonnes.
     government road manager/s. Travel is allowed on state-
     controlled roads even if the status is identified as pending on                In addition to the above mass limits, the following mass limits
     the Map, as long as travel is in accordance with any conditions                apply when travelling over a restricted structure in Queensland
     that may apply.                                                                with no signed mass limit:
     If the access transition period is still in effect, then operators can          • mass on a tandem axle group – 16.5 tonnes
     access public roads under the relevant authorisation instrument                 • mass on a tri-axle group – 20.0 tonnes.
     listed in Table 1 of the Guide.
     If the access transition period has ended and a Zone is still                  Travel on freeways
     pending, then a permit for access may be required.
                                                                                    Agricultural vehicles and combinations are exempt from
     For more information, please contact the NHVR by email                         Section 22 of Schedule 8 of the MDL Regulation, and can travel
     at info@nhvr.gov.au or by phone on 1300 MYNHVR                                 on freeways (unless otherwise signposted), in the following
     (1300 696 487).                                                                jurisdictions:
                                                                                     • South Australia
     Disclaimer regarding copies of the Map                                          • Tasmania
                                                                                     • Victoria, where indicated as an approved road on the Map.
     • The Map is the legally approved network for agricultural
       vehicles and combinations travelling under the Notice.                       Travel must be in accordance with any other condition that
     • Copies of the map (either hard or electronic) may not be                     may apply, as prescribed on the Map or in the Guide.
       representative of the legally approved network at the time of
                                                                                    Agricultural vehicles or combinations must not travel on
       travel.
                                                                                    freeways, in accordance with Section 22 of Schedule 8 of the
     • The Map should be checked prior to travel to ensure travel
                                                                                    MDL Regulation, in the following jurisdictions:
       on public roads complies with the relevant requirements of
       the legally approved network.                                                 •   The Australian Capital Territory
                                                                                     •   New South Wales
                                                                                     •   Queensland
     Mapped conditions and restrictions                                              •   Victoria, where indicated as a restricted road on the Map.
     Conditions on roads or structures or areas
                                                                                    Definition of freeway
     The Map or the Guide may identify conditions for certain roads
     or structures or areas.                                                        A freeway has the same meaning as the road rules for the
                                                                                    relevant jurisdiction.
     An agricultural vehicle or combination must travel on a road or
     structure, or in an area, only in accordance with any conditions
     that may apply.

12                                                        National Class 1 Agricultural Vehicle and Combination Mass and Dimension Exemption Notice Operator’s Guide
Agricultural Heavy Vehicle Restricted Roads
The Map may identify Agricultural Heavy Vehicle Restricted
Roads.
Regardless of the Zone, travel on any Agricultural Heavy
Vehicle Restricted Road is restricted to vehicles complying with
Zone 1 dimension limits.
For example, if travelling in Zone 5 and a road is identified
as an Agricultural Heavy Vehicle Restricted Road, then travel
on that road must only be made at Zone 1 dimension limits.
Subject to compliance with any other conditions that may
exist, travel on other roads within that Zone may be at Zone 5
dimension limits.

Local government road manager conditions
An agricultural vehicle or combination must travel in
accordance with any local government road manager
conditions that may apply.
Local government road manager conditions are located in
Appendix 5 of the Guide and may also be located on the Map.

National Class 1 Agricultural Vehicle and Combination Mass and Dimension Exemption Notice Operator’s Guide   13
Dimension and pilot conditions for allowable night travel

     When night travel is allowed                                                        the DIT website at www.sa.gov.au/__data/assets/pdf_
                                                                                         file/0010/241300/Information-Bulletin-Night-Travel-for-Rubber-
     An agricultural vehicle or combination can travel at night under
                                                                                         Tracked-Tractors-Approved-Route-Networks.pdf
     the Notice, subject to compliance with the width and length
     limits and accompanying pilot vehicle requirements                                  Note: the Information Bulletins are published by DIT and are
     (if applicable) outlined in Table 9.                                                available on the DIT website.
     Please note: Table 9 does not apply to South Australia. For
     information on night travel in South Australia refer to the below                   When night travel is not allowed
     paragraph Night travel in South Australia.
                                                                                         If an agricultural vehicle or combination exceeds the width or
     Table 9: Night travel allowances                                                    length limit, or does not have the required pilots (if applicable),
                                                                                         as outlined in Table 9, then access is not allowed at night
                                  Width limit   Length limit          Pilot              under the Notice.
     Area
                                  (metres)       (metres)         requirements
     Zones 1–5                                                                           If travel at night is not allowed under the Notice, access may
     (all jurisdictions)                                                                 be possible at night under a Class 1 mass and/or dimension
                                      2.5           25.0               Nil               permit for the agricultural vehicle or combination, subject to a
     Agricultural Heavy Vehicle
     Restricted Road                                                                     granting of consent by the relevant road manager/s.
     Tasmania – Zones 2–5          2.5 – 3.1        25.0               Nil               For more information, please contact the NHVR by email
     Tasmania – Zones 2–5             3.5           22.0              1 pilot            at info@nhvr.gov.au or by phone on 1300 MYNHVR
                                                                                         (1300 696 487).
     Victoria – Zones 2 and 3
                                      3.1           25.0              1 pilot
     (excluding harvesters)
     Victoria – Zones 2 and 3                                                            Warning light and side and rear marker
                                      3.5           25.0              1 pilot
     (Harvesters)                                                                        requirements for night travel
     Victoria – Zone 4
                                      3.1           25.0               Nil               If travelling at night:
     (excluding harvesters)
     Victoria – Zone 4                                                                    • side markers must be displayed:
                                      4.0           25.0               Nil
     (harvesters)                                                                            ― not more than 2m apart along the total length of each
     Zones 2–4                                                                                 side of the vehicle and any load projecting from the front
     (all jurisdictions except                                                                 or rear of the vehicle; and
     Critical Roads in                                                                       ― at each corner of any load projecting from the front or
     Queensland, Victoria and         3.5           25.0             2 pilots                  rear of the vehicle; and
     Tasmania)
                                                                                          • two rear markers must be fitted to the rear of any load
     Zone 5 (all jurisdictions                                                              projecting from the rear of the vehicle within 400mm of
     except Tasmania)                                                                       each side of the load and at least 1m, but not more than
                                                                                            2.1m, above the ground; and
                                                                                          • a warning light must be attached to the vehicle if it, together
     Night travel on Critical Roads in Queensland                                           with any load, is wider than 2.5m or longer than 22m.
     For night travel in Queensland, agricultural vehicles and                           Rear markers means red lights known as ‘rear markers’.
     combinations that exceed 2.5m in width are not permitted to
                                                                                         Side markers means lights showing yellow to the front and red
     travel on Critical Roads.
                                                                                         to the rear otherwise known as ‘side markers’.
     Critical Roads in Queensland are indicated on the Map.
                                                                                         Light and reflector requirements for night travel
     Night travel in South Australia                                                     Agricultural vehicles and combinations operating at night must
     Night travel in South Australia is allowed only as per the below                    comply with Part 6 of the VS Regulation, concerning lights and
     requirements.                                                                       reflectors.
     Agricultural vehicles and combinations operating under the
     Notice may operate at night in South Australia, according to                        Definition of night
     the conditions provided in the Information Bulletin Night Travel
                                                                                         Night means the period between sunset on a day and sunrise
     for Agricultural Machinery - Approved Council Areas, available
                                                                                         on the next day.
     on the DIT website at www.sa.gov.au/__data/assets/
     pdf_file/0010/234829/Information-Bulletin-Night-Travel-for-
     Agricultural-Machinery-Approved-Council-Areas.pdf
     Rubber tracked tractors operating under the Notice may
     operate at night in South Australia, according to the conditions
     provided in the Information Bulletin Night Travel for Rubber
     Tracked Tractors – Approved Route Networks, available on

14                                                             National Class 1 Agricultural Vehicle and Combination Mass and Dimension Exemption Notice Operator’s Guide
Travel conditions

Assessing routes prior to travel                                                      Smallest practicable size
As per Section 11 of Schedule 8 of the MDL Regulation, before                         The driver of an agricultural vehicle or combination must
driving on a public road, the driver or operator of an oversize                       ensure that it is kept to its smallest practicable dimensions
or overmass agricultural vehicle or combination must be                               during travel on public roads.
satisfied that the route has been assessed and that the vehicle
                                                                                      This is done by ensuring any mechanisms and/or booms are
can be driven along it without:
                                                                                      folded or retracted prior to travel (e.g. transport mode being
• disrupting telecommunication, electricity, rail, gas, water or                      enabled on an air drill seeder during travel on a public road as
   sewage services; and                                                               illustrated in Figure 5, or raising implements that are designed
• damaging roads, structures, rail crossings or trees.                                to lower into soil for seeding or tilling).
Part of this process is assessing the Map and reading this                            Agricultural vehicles and combinations must still comply with
Guide prior to travel to identify any restrictions or conditions                      the Notice dimension limits, and any other dimension-related
that may affect travel on public roads.                                               conditions that may apply, while travelling in their smallest
                                                                                      practicable size.
No travelling if low visibility
The driver of an agricultural vehicle or combination must not
travel on a public road if:
• visibility is less than 250m in the daytime; or
• the headlights of a vehicle approaching within 250m could
   not be seen at night.
If visibility is reduced to a distance less than described above,
the driver must leave the road at the nearest safe parking area
and wait there until visibility improves before recommencing
travel.

Minimum following distance                                                            Figure 5: Air drill seeder in transport mode
On a public road, the driver of an agricultural vehicle or
combination must drive at least 200m behind another oversize                          Headlight operation during the day
vehicle travelling in front of it, except when driving on a multi-
                                                                                      As per Section 6 of Schedule 8 of the MDL Regulation,
lane road, in a built-up area or while overtaking.
                                                                                      when travelling on a public road, an agricultural vehicle
An oversize vehicle is a vehicle affixed with a warning sign or                       or combination fitted with headlights must operate with its
flag showing the words ‘OVERSIZE’.                                                    headlights on and in the low beam position during the daytime.
                                                                                      This also applies to non-agricultural vehicles providing the drive
Definition of built-up area
                                                                                      power in an agricultural combination.
Built-up area means an area in which there are buildings on
land next to the road or there is street lighting at intervals not
over 100m for a distance of at least 500m or, if the road is
shorter than 500m, for the whole road.

Allowing other vehicles to overtake
On a public road, the driver of an agricultural vehicle or
combination must, at regular intervals, when reasonably
practical and safe and in line with the road rules, move off
the road to allow other vehicles to overtake it, unless there is a
separate lane for overtaking vehicles.
The driver should assess a route for its capacity to allow for
overtaking when conducting the pre-assessment of the route
prior to travel.

National Class 1 Agricultural Vehicle and Combination Mass and Dimension Exemption Notice Operator’s Guide                                                 15
Warning device conditions

     Warning lights
     As per Schedule 8 Part 1 Division 1 and Division 4 of the MDL
     Regulation, an agricultural vehicle or combination operating
     under the Notice must have an active warning light attached to
     its highest practicable point if:
     • the width is wider than 3.0m and travel is during the day on
       any road; or
     • the width is wider than 2.5m and travel is on a major road at
       any time; or
     • the width is wider than 2.5m and travel at night on any road;
       or
     • the length is longer than 22m and travel is on a major road
       at any time; or
     • the length is longer than 22m and travel is at night on any
                                                                                   Figure 6: Example of the fitment of warning sign and a warning
       road.
                                                                                   light fitted to the highest practicable point.
     A warning light attached to an agricultural vehicle, when
     switched on, must:
                                                                                   Warning flags and signs
     • emit a yellow coloured light of rotating and flashing effect
                                                                                   An agricultural vehicle or combination operating under the
     • flash between 120 and 200 times a minute
                                                                                   Notice must be fitted with warning signs (Figure 7) and flags as
     • have a power of at least:
                                                                                   outlined in Table 10.
       ― 25W if LED technology is used, or
       ― 55W if another technology is used, and                                    Table 10: When warning flags or signs must be attached
     • not be a strobe light.
                                                                                    Dimension                                       Attachment location
     A warning light attached to an agricultural vehicle must be:                                                               Warning flag Warning sign
     • clearly visible at a distance of 500m in all directions, or                  Longer than 22m                                  n/a               Rear
     • supplemented by one or more additional warning lights, so
                                                                                    Longer than 25m                                      Front and rear
       that the light emanating from at least one of them is clearly
       visible at a distance of 500m in any direction.                              Wider than 2.5m*
                                                                                    *Tractors with a constructed width
                                                                                                                                         Front and rear
     However, for a pilot vehicle travelling in front of a Class 1                  exceeding 2.5m are exempt from
     heavy vehicle, a filter may be placed behind the warning light                 requiring warning flags or signs.
     attached to the pilot vehicle to reduce the intensity of the light             Agricultural implement being towed by
     directed to the driver of the heavy vehicle.                                   a tractor*
                                                                                                                                     n/a               Rear
                                                                                    *This warning device requirement
     The switch for a warning light attached must be within easy                    applies, regardless of the dimension.
     reach of the driver in the normal driving position in the vehicle.
     A warning light attached must only be switched on when the                    Warning flag requirements
     heavy vehicle is travelling or is stationary in a position that is
                                                                                   A warning flag must:
     likely to cause danger to other road users.
                                                                                    • be 450mm long and 450mm wide;
     An example of a light and sign is shown in Figure 6.
                                                                                    • be bright coloured red, red and yellow, or yellow; and
     Warning lights must be designed and fitted in accordance with                  • be mounted on each side of an agricultural vehicle or
     Schedule 8 Part 3 Devision 1 of the MDL Regulation.                              combination (if required).
     Refer to Appendix 3 for relevant information from the MDL                     Warning flags must be designed and fitted in accordance with
     Regulation relating to warning light requirements.                            Schedule 8 Part 1 Division 1 of the MDL Regulation.
                                                                                   Refer to Appendix 3 for relevant information from the MDL
                                                                                   Regulation relating to warning flag and sign requirements.

16                                                       National Class 1 Agricultural Vehicle and Combination Mass and Dimension Exemption Notice Operator’s Guide
Warning sign requirements                                                                                      1200mm

The warning sign on an agricultural vehicle must be at least                                                                              125mm
1,200mm long and at least 450mm high. The length of the sign
may be split in two parts, in which case the combined length of                                                                           200mm      450mm
its parts must be at least 1,200mm.
A warning sign on agricultural vehicle must:                                                                                              125mm

• have a face showing the word OVERSIZE, in black capital                                                Lettering Series 200CN
  letters and in typeface Series C(N) complying with AS 1744
                                                                                      Figure 7: Warning sign design specification
  Forms of Letters and Numerals for Road Signs.
  Note: AS 1744 Forms of Letters and Numerals for Road                                Warning signs must be designed and fitted in accordance with
  Signs may be purchased from Standards Australia at                                  Schedule 8 Part 3 Division 2 of the MDL Regulation.
  www.standards.org.au
                                                                                      Refer to Appendix 3 for relevant information from the MDL
• have letters at least 200mm high and at least 125mm from
                                                                                      Regulation relating to warning flag and sign requirements.
  the top and bottom of the warning sign.
If the length of the warning sign is spilt into two parts:                            When warning signs and lights are not required
• the word OVER must be on the left part and the word SIZE                            During daytime travel, warning signs and warning lights are
  on the right part                                                                   not required if the agricultural vehicle or combination is only
• there must be no border between the two parts                                       crossing a road, or travelling along a grass reservation beside
• both parts must be mounted at the same height.                                      a road.
A warning sign on an agricultural vehicle must be fitted
horizontally. The lower edge of the warning sign must be:                             Warning patterns
• above the bottom bumper bar; or                                                     A warning pattern (Figure 8) must be displayed at the sides of
• if there is no bumper bar, at least 500mm above ground                              the rear of any auger, conveyor or the reaping implement of a
   level.                                                                             combine harvester.
The face of a warning sign on a Class 1 agricultural vehicle                          A warning pattern must:
must have:
                                                                                       • cover an area of at least 0.16m2; and
• a yellow surface complying with Class 1 or 2 of AS 1906                              • consist of diagonal stripes at least 150mm wide that are
  ‘Retro-reflective Materials and Devices for Road Traffic                                alternately coloured red and white or black and white.
  Control Purposes’
• a black border that is at least 20mm wide and, unless the
  sign is made with a box edge, the outermost edge of which
  is at least 10mm in from the edge of the sign
• its manufacturer’s name or trademark, and the brand and
  class of material as used for the warning sign’s surface,
  permanently marked in letters at least 3mm but no more
  than 10mm high on any visible part of the sign.
A warning sign on an agricultural vehicle must be made of stiff,
flat, weatherproof material, for example:
• zincalume that is at least 0.8mm thick
• aluminium that is at least 1.6mm thick.
                                                                                      Figure 8: Warning patterns in the two allowable colour palettes
However, it may be made of flexible, weatherproof material if
the sign is:
                                                                                      Requirements for tractors
• held taught
                                                                                      Any part of an axle extending more than 150mm from the
• clearly visible
                                                                                      outside wall of a tractor’s tyre must be painted fluorescent
• unlikely to become dislocated, furl or otherwise difficult to be
                                                                                      yellow, or have yellow fluorescent or other high-visibility
   read by other road users.
                                                                                      material wrapped around it.

National Class 1 Agricultural Vehicle and Combination Mass and Dimension Exemption Notice Operator’s Guide                                                   17
Pilot vehicles

     Pilot vehicle requirements                                                    Tasmania – Pilot vehicle requirements related to
     Pilot vehicles must comply with Schedule 8 Part 1 Division 5                  width
     requirements of the MDL Regulation, to the extent that they are
                                                                                   When travelling in Tasmania, eligible agricultural vehicles
     a pilot vehicle.
                                                                                   and combinations must travel with the following pilot vehicle
     Refer to Appendix 3 for relevant information from the MDL                     arrangements (instead of the previously mentioned pilot
     Regulation relating to pilot vehicle requirements.                            vehicle arrangements related to width).
                                                                                   One pilot vehicle is required if an agricultural vehicle or
     Where a pilot vehicle must be driven                                          combination is wider than 3.5m.
     The following pilot vehicle positions apply, unless stated otherwise.         Two pilot vehicles are required if an agricultural vehicle or
                                                                                   combination is wider than 4.5m, and if:
     If one pilot, the pilot vehicle must travel:
                                                                                    • travel is on a major road; or
     • behind the heavy vehicle if they are on a divided road; or
                                                                                    • the trip is greater than 500m on a public road, other than a
     • in front of the heavy vehicle if they are on a road that is not
                                                                                      major road; or
       divided.
                                                                                    • a clear view of approaching traffic from either direction is
     If two pilot vehicles, one pilot vehicle must travel in front of the             reduced to less than 500m (e.g. because of the terrain).
     heavy vehicle and the other behind it.
                                                                                   A pilot vehicle is not required if crossing a road with a clear
     A pilot vehicle must travel far enough away to give adequate                  view of approaching traffic of at least 500m in both directions.
     warning to other road users of the presence of the oversize
     agricultural vehicle or combination, taking into account traffic
     speed, weather, visibility and other driving conditions.
                                                                                   South Australia – Pilot vehicle requirements for
                                                                                   travel in Zone 2
     Communication between drivers                                                 When travelling in Zone 2 in South Australia, eligible
                                                                                   agricultural vehicles and combinations must travel with the
     As per Section 31 of Schedule 8 of the MDL Regulation, a
                                                                                   following pilot vehicle arrangements (instead of the previously
     Class 1 heavy vehicle (including agricultural vehicles and
                                                                                   mentioned pilot vehicle arrangements related to width).
     combinations), that is being accompanied by a pilot vehicle
     or escort vehicle, and any accompanying pilot vehicle or
                                                                                   Width greater than 3.0m
     escort vehicle, must have a device that allows the drivers to
     communicate effectively with each other.                                       • One pilot vehicle required (positioned at the front), if a clear
                                                                                      view of approaching traffic is reduced to less than 500m
                                                                                      ahead.
     Width greater than 3.7m                                                        • One pilot vehicle required (positioned at the rear), if a clear
     One pilot vehicle is required if an agricultural vehicle or                      view of approaching traffic is reduced to less than 500m
     combination is wider than 3.7m, and if:                                          behind.
     • a clear view of approaching traffic is reduced to less than                 A pilot vehicle is not required if crossing a road with a clear
       500m (e.g. because of the terrain); or                                      view of approaching traffic of at least 500m in both directions.
     • travel is on a major road.

     A pilot vehicle is not required if:                                           South Australia – Pilot vehicle requirements for
     • the trip is less than 500m on a public road; or                             travel in Zone 5
     • crossing a road with a clear view of approaching traffic of at
                                                                                   When travelling in South Australia in Zone 5, eligible
       least 500m in both directions.
                                                                                   agricultural vehicles and combinations must travel with the
                                                                                   following pilot vehicle arrangements (instead of the earlier-
     Width greater than 4.5m                                                       mentioned pilot vehicle arrangements related to width).
     One pilot vehicle is required if an agricultural vehicle or
                                                                                   Width greater than 3.7m but not more than 6.0m
     combination is wider than 4.5m.
                                                                                    • One pilot vehicle required (positioned at the front), if a clear
     Two pilot vehicles are required if an agricultural vehicle or
                                                                                      view of approaching traffic is reduced to less than 500m
     combination is wider than 4.5m and if:
                                                                                      ahead.
     • a clear view of approaching traffic is reduced to less than                  • One pilot vehicle required (positioned at the rear), if a clear
       500m (e.g. because of the terrain); or                                         view of approaching traffic is reduced to less than 500m
     • travel is on a major road.                                                     behind.
     A pilot vehicle is not required if:                                           A pilot vehicle is not required if crossing a road with a clear
                                                                                   view of approaching traffic of at least 500m in both directions.
     • the trip is less than 500m on a public road; or
     • crossing a road with a clear view of approaching traffic of at
       least 500m in both directions.

18                                                       National Class 1 Agricultural Vehicle and Combination Mass and Dimension Exemption Notice Operator’s Guide
Width greater than 6.0m but not more than 7.5m                                        Where the towed mass ratio of a combination is greater
                                                                                      than 1:1.2 and travel is in an 80km/h or higher speed zone,
• Two pilot vehicles required (one positioned at the front and
                                                                                      agricultural combinations must have at least one pilot vehicle
   one positioned at the rear).
                                                                                      positioned at the rear of the combination.
A pilot vehicle is not required if crossing a road with a clear
                                                                                       • This rear pilot condition applies in addition to any condition
view of approaching traffic of at least 500m in both directions.
                                                                                          that requires a pilot vehicle to be positioned at the front.
                                                                                       • If a rear pilot vehicle is already required due to another
New South Wales – Augers and Conveyors in                                                 condition (e.g. due to the width being over 4.5m), then an
Zone 1                                                                                    additional rear pilot is not required.
                                                                                      This condition is to manage safety aspects of speed differences
The following condition applies regardless of the distance
                                                                                      that may exist between the agricultural combination and other
travelled.
                                                                                      traffic using a high-speed road.
For travel in Zone 1 in New South Wales, agricultural
                                                                                      A pilot vehicle is not required if crossing a road with a clear
combinations with augers or conveyors with a rear overhang
                                                                                      view of approaching traffic of at least 500m in both directions.
that exceeds 5.5m, but is not more than 7.0m, may travel, but
must be accompanied by one pilot vehicle positioned at the
rear.                                                                                 Rear overhang greater than 6.5m
A pilot vehicle is not required if crossing a road with a clear                       An agricultural vehicle or combination with a rear overhang
view of approaching traffic of at least 500m in both directions.                      greater than 6.5m must be accompanied by at least one pilot
                                                                                      vehicle positioned at the rear.
Queensland – Additional pilot vehicle                                                  • This rear pilot condition applies in addition to any condition
requirements                                                                              that requires a pilot vehicle to be positioned at the front.
                                                                                       • If a rear pilot vehicle is already required due to another
Table 11 outlines pilot vehicle requirements for travel in                                condition (e.g. due to the width being over 4.5m), then an
Queensland, regardless of the distance travelled.                                         additional rear pilot is not required.
A pilot vehicle is not required if crossing a road with a clear                       This condition is to manage safety aspects of tail swing and
view of approaching traffic of at least 500m in both directions.                      interaction of the combination with other traffic, particularly
                                                                                      when turning (e.g. at intersections or when entering and exiting
Table 11: Additional pilot requirements in Queensland
                                                                                      a property).
 When a pilot is required               Pilot requirement                             A pilot vehicle is not required if crossing a road with a clear
 Length greater than 25.0m and up       At least one pilot vehicle.                   view of approaching traffic of at least 500m in both directions.
 to 30.0m; and                          This does not apply if the
 Travel is in any zone.                 agricultural combination is already           This condition may not apply to sugarcane harvesters with a
                                        being accompanied by a pilot                  rear overhang of up to 7.8m that are travelling in Queensland.
                                        vehicle due to its width.                     Please see the next section and Appendix 2 of this Guide for
                                                                                      pilot vehicle requirements for sugarcane harvesters with rear
                                                                                      overhang up to 7.8m when travelling in Queensland (where
Victoria – Additional pilot vehicle requirements                                      applicable).
Table 12 outlines pilot vehicle requirements for travel in Victoria.
A pilot vehicle is not required if:
• the trip is less than 500m on a public road; or
• crossing a road with a clear view of approaching traffic of at
   least 500m in both directions.
Table 12: Additional pilot requirements in Victoria
 When a pilot is required               Pilot requirement
 Length greater than 30.0m; and         Two pilot vehicles (one positioned
 Travel is in any zone.                 at the front and one positioned at
                                        the rear)
 Width greater than 5.0m; and           Two pilot vehicles (one positioned
 Travel is in any zone.                 at the front and one positioned at
                                        the rear)

Travel in an 80km/h or higher speed zone
The following condition applies regardless of the distance
travelled.

National Class 1 Agricultural Vehicle and Combination Mass and Dimension Exemption Notice Operator’s Guide                                                19
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