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A40 London Road Corridor Improvements Project

Bulletin #012 - 28/02/20
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.
This phase of works is focusing on junction construction and builds on the work already completed to date including  improvements already made including new CCTV, refurbishment of all signalised pedestrian crossings, variable message signs and queue detection sensors. The stretch from Easton Street to Loudwater includes junction improvements at the Gordon Road, Hatters Lane, Micklefield Road with Ryemead Way and Gomm Road junctions.  When all works are fully completed, it will mean better and more reliable journeys for all who use this key route in and out of the town centre. 
A short section of A40 London Road will now be closed overnight w/c 9th March (23:00 – 05:00) between Hatter’s Lane and the retail park access east of the roundabout.
Unfortunately there has been a delay to the planned works for resurfacing areas of the A40 London Road around Hatters Lane junction to tie-in new areas of widened carriageway with the existing carriageway levels. This postponement is due to recent poor weather and also by delays to utility diversion works due to the presence of lots of underground utility equipment in close proximity which has slowed progress. 

This delay means the phasing of works needs to be altered and the previous plan to complete all resurfacing within one week is not possible. Work will be undertaken utilising lane closures during the day (09:30-15:30), but due to working widths at certain pinch points, it is necessary to close the road and this work will be undertaken overnight. The works requiring a road closure will be carried out first (w/c 9th March) with the remaining resurfacing carried out during the day the following week (w/c16th March).

During the closure, the London Road will be closed from 23:00 after bus services have finished running, and the road will reopen from 05:00 the following morning. Further information on the road closure and HGV diversion route can be found
here. We apologise in advance for any inconvenience these upcoming works may have. Every effort has been made to phase and plan works in the safest, most efficient, and cost effective manner. 
Recent Works
Rayners Avenue junction

The new traffic signals at Rayners Avenue were switched on on Monday 24th February and work is ongoing to fine-tune the signals timings of the junction. Once the project is completed later this year there will be coordination of all signals along the A40 London Road in order to realise the full benefits of the upgraded technology equipment. Until all upgrades are complete, the completed junctions will be optimised to run as efficiently as possible individually, but not yet in full coordination with all others.   
Hatter's Lane roundabout

Work to widen London Road near Hatter’s Lane roundabout will provide a bus lane across the roundabout, extending to the existing inbound bus lane. Since the last bulletin update, works have been focused on:
  • Widening of the London Road on the north-east corner of the roundabout has been continuing with a concrete base being laid in preparation for the final surfacing layers
  • Works with statutory undertakers for diversion of utilities around the junction have been ongoing. 
  • Installation of new drainage in the verge on the south side of London Road where the carriageway will be widened.
  Micklefield Road/ Ryemead Way/ Cock Lane/ London Road junction
Construction in this area will involve carriageway widening and traffic lane realignment to allow two eastbound lanes to exit the junction and continue along London Road improving capacity and safety. Within the junction, a priority bus lane is being removed and traffic islands realigned to improve the approach to the junction. As with all signalised junctions along the corridor, there will be improved signal timings that are adaptive to traffic flows.

Since construction at the junction begun on 17th February, work has focused around the removal of an unused bas gate to allow for the widening of an existing traffic island
Upcoming Works and Traffic Management
Please see the below tables for a summary of work at each junction for the upcoming weeks:
* All works will be carried out during off peak hours (09:30- 15:30) unless otherwise stated.
Further information
We will continue to provide regular project updates through social media and website updates as well as e-bulletins.  We will also keep road users informed of works through static and variable message signs erected on the A40. If you would like to find out more information about the project, what has been done to date and what is planned next, please follow the link to the project website and online brochure below.
The A40 London Road corridor improvements project is a partnership project between Buckinghamshire County Council and Buckinghamshire 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