Public Information Exhibitions Spring 2019 - Highways England
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M4
Upgrade to smart motorway
Junctions 3 to 12
Public Information Exhibitions Spring 2019
About smart motorways
Smart motorways are a technology All lane running
driven approach to the use of our The hard shoulder will be
motorways, increasing capacity converted to a permanent new gantries
and relieving congestion while traffic lane.
new signals
maintaining safety.
Drivers should obey all signs, new CCTV cameras
Smart motorways help make
including speed limits and lane
journey times more reliable, at traffic monitoring
closure instructions and should radar detector
emergency areas
less cost than traditional widening
not stop on the motorway
schemes, meaning better value for
except in an emergency.
the tax payer. message signs
Emergency areas
Key features of a smart motorway
include: There will be highly visible
emergency areas.
Variable mandatory speed limits
There will be an emergency
Speed limits will be set to speed limit
telephone in each emergency enforcement camera
smooth traffic flows.
area.
lower noise surfacing
The limits will be clearly
This will connect you to
displayed on overhead gantries signs
Highways England’s Regional
and roadside signs.
Control Centres and will concrete barriers
Signs will be used to inform pinpoint your location.
drivers of conditions on the under carriageway ducts technology ducting
network and when variable
speed limits are in place.
It is important for drivers to
understand the different types of technology
and features used on smart motorways
M4 junctions 3 to 12 Key changes to the motorway
The M4 is the main strategic route All lane running Bridge works
between London, the west of
Between junctions 3 and 12 the To accommodate the new smart
England and Wales. It connects
hard shoulder will be converted motorway:
people, communities and
to a traffic lane, so that there are
businesses, carrying on average 11 bridges carrying local traffic
four lanes available for use by
130,000 vehicles per day and is over the motorway will need
road users. Between junctions 4
prone to congestion. demolition and replacement.
and 4b, there will be five lanes.
Highways England are improving Where a hard shoulder does not Several bridges that carry the
the M4 between junction 3 at currently exist, the motorway will motorway over roads, railways
Hayes and junction 12 at Theale be adapted to create a minimum and rivers will need widening.
by upgrading it to a smart of four lanes. The barrier in the Several subways and culverts
motorway. central reservation will be replaced that run under the motorway
by a new concrete barrier. will also need work in order to
This means there will be: accommodate the upgrade.
An additional lane for traffic
Through junction running
increasing capacity to reduce
Emergency areas
This enables a consistent number
The M4 junctions 3 to 12 project
congestion. of lanes to pass through the There will be new high visibility
received planning permission
More technology on the road junction, reducing the need for emergency areas between
through the Development Consent
to smooth flows and manage vehicles staying on the motorway junctions 3 and 12. Places of
Order (DCO) process. Following
incidents. to change lane. Through-junction relative safety will be every 1.12
a statutory consultation, it was
running will be in place at junctions miles on average and no more
More reliable journeys. granted consent in September
4, 6, 7, 8/9 and 11 and at the than 1.6 miles apart. If you are
2016. This was followed by
Reading motorway service area. driving at 60mph you will pass one
detailed design and planning
approximately once every
work. Construction on the
90 seconds.
motorway started in July 2018 and
is expected to be completed in
March 2022.
What work is planned?
This is the longest smart motorway
project in England to date (51km,
32 miles).
4 lane smart motorway
A40 N
M40
We started construction between 5 lane smart motorway
A404
junctions 8/9 and 10 in July 2018 11 Through junction running
M25
A40
A406
and subsequently began enabling 12 No through junction running Hillingdon A40
Maidenhead
work on four bridges between Bridges to be replaced
Slough
A308(M)
junctions 8/9 and 7. The more A404(M)
6
M4 Hayes Southall Ealing
8/9
7 4b 4 3 M4
complex section of the scheme, 5
A4
progressing east from junctions 8/9 Twyford Windsor M4 Heathrow
London
Airport
Hounslow
towards junction 3, will commence M4 A30
M4 Reading Feltham A316
in May 2019. This section includes A3290
significant structures work, 12 A308
Theale
A33 10 A329(M)
Egham
M25
including the replacement of 11 M4 Bracknell A308
11 Wokingham M3
bridges.
Surbiton
A332
We have carefully planned the M3
Weybridge
A33
work to minimise disruption to our M25
Camberley
drivers and communities, however GFD18_0283 © Crown copyright and database rights 2019 OS 100030649
A3 A243
this timetable may change. Any
changes will be published on our
project web pages. Motorway Link J12 - 11 J11 - 10 J10 - 8/9 J8/9 - 6 J6 - 5 J5 - 4b J4b - 3
Visit www.trafficengland.com Start May 20 May 20 July 18 May 19 Dec 19 May 20 Jul 19
or follow @HighwaysSEAST on Finish Dec 20 Dec 20 May 20 Mar 22 Mar 22 Mar 22 Mar 22
Twitter for live and future traffic
information.
Bridge and structure works What to do if you break down
If you need to stop in an
Much of the M4 was originally built Where the motorway passes over,
emergency on a smart motorway:
as a two-lane dual carriageway, for example, the River Thames
and has been upgraded over the at Bray and the railway line to Use an emergency area and
years. Eleven bridges over the Windsor, we will need to widen the emergency telephone.
motorway need to be replaced to bridges to support the new smart If you can, leave the motorway
make room for a new lane where motorway. at a motorway service area, or
there is no existing hard shoulder the next junction.
Two subways, including at Sipson,
To limit disruption, seven of the and several culverts that run under If you have to stop in a live lane:
new bridges will be built next to the motorway will also need work Put your hazard warning lights
the existing ones, before the old in order to accommodate the on to help other drivers see
ones are demolished. These are: upgrade. you and help our control room
staff spot you on CCTV.
Ascot Road (A330) Some weekend closures will be
Monkey Island Lane required for bridge works. Road If you are in the left hand lane
Lake End Road diversions for all of these works and it is safe to do so, exit
Huntercombe Spur have been agreed with the local the vehicle via the left hand
Wood Lane and statutory authorities. Full door. Wait behind the barrier if
Datchet Road details will be communicated and possible.
Riding Court Road posted on our project webpages If you cannot exit the vehicle,
well in advance. do not feel it is safe to do so
However, where there is not or there is no other place of
enough space for this, four of the relative safety, remain in the
bridges will be demolished first, vehicle. Keep your seat belt on
then a new bridge will be built in and dial 999.
the same place. These are:
Marsh Lane
As soon as Highways England is alerted, our
Oldway Lane
Recreation Ground Regional Control Centre will close lanes to
Old Slade Lane protect you and your vehicle until help arrives.
Safety, red sign and incidents Find out more
You can find out more about the plans for junctions 3 to 12 at these
We use a red symbol to show Incident management is controlled
exhibitions. Highways England and the design and construction teams
that a lane is closed because of an by teams in our control centres:
will be available to discuss the scheme and answer your questions.
incident or people working on the
road: Incidents will be detected by
traffic sensors, CCTV or calls Drop by to meet the team
This provides access for from the public.
emergency services. Venue Date Time
The control centre will set Wednesday
Datchet Women’s Institute Hall, The Green,
You will see red symbols signs to protect incidents 13th March 17:00 – 21:00
Datchet, Berkshire SL3 9EH
2019
on a gantry sign over the and clear an access route
motorway or on a gantry sign for emergency vehicles. Slough Aspire, 350 Edinburgh Avenue, Friday 15th
12:00 – 19:00
Slough SL1 4TU March 2019
at the side of the motorway.
Control centre staff will monitor Cippenham Community Centre, 90 Earls Monday 18th
16:00 – 20:00
Driving in a lane with a red traffic conditions throughout Lane, Slough SL1 5TD March 2019
symbol is dangerous and each incident, ensure signs are Heathrow Windsor Marriott, Ditton Road, Tuesday 19th
15:00 – 20:00
drivers must not use it. set to manage traffic, and will Slough SL3 8PT March 2019
reopen lanes as soon as it is Wednesday
Langley Pavilion, Langley Road, Slough,
safe to do so. 20th March 16:00 – 20:00
SL3 8BS
2019
Yiewsley & West Drayton Community
Friday 22nd
Centre, 228 Harmondsworth Road, West 17:30 - 20:00
March 2019
Drayton, Middlesex UB7 9JL
Hayes & Harlington Community Centre, Saturday 23rd
12:00 – 16:00
Albert Road, Hayes, Middlesex UB3 4HR March 2019
Cranford Community College, High Street, Thursday 28th
18:00 – 21:00
Hounslow TW5 9PD March 2019
Iver Village Hall, Grange Way, Iver, Monday 1st
18:30 – 21:00
Buckinghamshire SL0 9NW April 2019
We will also be holding pop-up exhibitions at shopping centres,
supermarkets, business parks, and major employment locations
throughout Spring and Summer 2019. Details of these will be posted
on our webpages.
Contact us
Phone: 0300 123 5000
Email: M4J3to12SmartMotorways@highwaysengland.co.uk
Mailing Address: M4 J3-12 Smart Motorway, Highways England,
2 Colmore Square, Birmingham B4 6BN
Project web pages: https://m4j3to12smartmotorway.commonplace.is/
https://www.highwaysengland.co.uk/m4j3to12
© Crown copyright 2019
You may re-use this information (not including logos)
free of charge in any format or medium, under the terms of the
Open Government Licence. To view this licence:
visit www.nationalarchives.gov.uk/doc/open-government-licence/
write to the Information Policy Team, The National Archives, Kew,
London TW9 4DU, or email psi@nationalarchives.gsi.gov.uk.
This document is also available on our website at
www.highwaysengland.co.uk
If you have any enquiries about this publication
email info@highwaysengland.co.uk or call 0300 123 5000*
Please quote the Highways England publications code PR98/18
Highways England creative job number GFD18_0125
*Calls to 03 numbers cost no more than a national rate call to an 01 or 02
number and must count towards any inclusive minutes in the same way as 01
and 02 calls. These rules apply to calls from any type of line including mobile,
BT, other fixed line or payphone. Calls may be recorded or monitored.
Printed on paper from well-managed forests and other controlled sources.
Registered office Bridge House, 1 Walnut Tree Close, Guildford
GU1 4LZ
Highways England Company Limited registered in
England and Wales number 09346363
Visit us online at
www.gov.uk/government/collections/smart-motorways
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