M25 junction 8: junction improvement

Improving junction 8 of the M25 to ease congestion and manage the increasing volume of traffic on the M25.

Start date April 2021
End date July 2022
Cost TBC

Latest updates

  • 02 March 2020

    Work commencing April 2021

    Work will start April 2021 and will include:

    • upgrading the traffic signal installation throughout the junction
    • adding an extra lane on the A217 northbound approach
    • widening into the existing verge and extending the anti-clockwise exit slip road
    • adding an extra lane on the north circulatory section of the roundabout
    • widening lanes on the east and west bridge section of the roundabout
    • improving road signs and markings
    • widening and realignment on the A217 southbound to two lanes that merge prior to Wray Lane

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  • 13 December 2019

    Start of improvement works

    Detailed design for the work at this junction has been completed. In agreement with our partners at Surrey County Council, the start of improvement work at junction 8 of the M25 at Reigate will take place April 2021. This is to minimise disruption and better coordinate with our nearby work to upgrade the M23 to a smart motorway.

    See the 'General information' document in the section below for answers to some frequently asked questions.

Project information

Overview

The scheme will include upgrading the traffic signals throughout the junction, adding an extra lane on the A217 northbound approach, widening into the existing verge and extending the anti-clockwise exit slip road. 

Works will also add an extra lane on the north circulatory section of the roundabout, widen  lanes on the east and west bridge section of the roundabout as well as widen and realign the A217 southbound to two lanes that merge prior to Wray Lane. 

The junction is at Reigate Hill, at the intersection of the M25 with the A217. It serves routes towards both London and the south-coast. The signal-controlled junction is now operating above its design capacity which leads to traffic queues during peak hours, especially on the A217 and M25 eastbound off-slip. 

The improvements will reduce congestion and improve journey time reliability in and around the junction. 

Documents

Traffic information

Information about scheduled roadworks and events on our motorways and major roads.

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