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A40 London Road Corridor Improvements Project

Bulletin #003 - 20/05/2019
A40 London Road Corridor Improvements Project
National Productivity Investment Fund

The project seeks to improve journey time reliability and ease congestion on the A40 London Road through the delivery of a range of improvements including junction changes, introduction of new traffic management technology, bus stop improvements and the optimisation of bus lane locations.

Welcome to the third information Bulletin for the A40 London Road Corridor Improvements Project providing   progress and works information on the implementation of the project.
As you will have seen from previous bulletins, work has been progressing well over the last 12 months on the introduction of new traffic management technology on the London Road as well as the completion of public transport and pedestrian crossing improvements, including: 
  • All bus stops along the corridor upgraded to include real time passenger information.
  • Pedestrian crossing upgrades comprising widening where feasible, new tactile paving and flush crossing surfaces to improve accessibility.
  • Pedestrian crossing upgrades also include sensor installation so that the traffic lights go green as soon as all pedestrians have safely crossed the road.
  • Traffic sensors installed in the road near junctions to monitor traffic ensuring that traffic lights are optimised and can adapt to London Road’s changing traffic conditions.
Pedestrian crossing upgrades completed 
Pedestrian crossing detector  
Real Time Passenger information Solent Display  on bus stops along the A40 corridor.
Real Time Passenger information e-paper on bus stops along the A40 corridor
Why have these works been done?
The A40 London Road corridor in High Wycombe is often congested, particularly during peak hours, and journey times can be unreliable. The new technology improvements are part of a strategy to improve traffic flows along the London Road to link to the council’s central control centre for optimal traffic light phasing along the entire route.  These works have been completed early on in the project to meet project timescales and minimise traffic disruption caused by their installation. 
Integration between the technology and the council’s traffic control centre ensures that the traffic lights can adapt to the road’s changing traffic.  It also ensures that the latest information is available to communicate to the public and that any incidents are managed as quickly as possible.
Upcoming Works
Further technology enhancements are planned over the coming weeks including the installation of new vehicle messaging signs at the following locations along the London Road:
Location VMS Description
Rye, opposite Stuart Road Back to back replacement of redundant car park VMS
Thanstead Copse junction Single sided VMS (w2000mm x h1250mm)
Birfield Road junction Single sided VMS (w2000mm x h1250mm)
Knaves Beech (opposite Folleys Place) Single sided VMS (w2000mm x h1250mm)
Knaves Beech Way (opposite Davies Way Industrial Estate) Single sided VMS (w2000mm x h1250mm)
Vehicle Messaging Signs are electronic signs (see figure 1) that can have their text updated and changed giving the opportunity to provide real time information to the travelling public; including routing information, warnings (accidents, congestion) as well as updates on car park capacity.  They play an important role in communicating congestion and network information to the travelling public. 

Figure 1. Example VMS
Next steps
The project team are planning on sharing more information on the project and proposals for junction improvements in June, giving residents and users of the London Road the opportunity to find out more about the next stage of the project and seek their feedback on the proposals.  More information will be shared in the next bulletin, with information updated on the project website as well as when and where the project team will be on hand to talk to about the project.
The A40 London Road corridor improvements project is a partnership project between Buckinghamshire County Council and Buckinghamshire Thames Valley Local Enterprise Partnership with funding secured from the Local Growth Fund and DfT’s National Productivity Investment Fund.

We have a dedicated mailbox for this project at and we welcome emails and queries about the scheme, or you can email if you wish to unsubscribe from this bulletin list. You can also contact the Highways Infrastructure Team on 01296 382416.


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Buckinghamshire County Council · Walton Street · Aylesbury, Buckinghamshire HP20 1UA · United Kingdom

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