closure of the M4

Please be advised that the planned closure of the M4 between junctions 5 and 6 this weekend is going ahead as planned.

We will use the closure to lift into place deck beams for the new Riding Court Road bridge near Junction 5. The beam lift will require the full closure of the M4 in both directions between Junctions 5 and 6 from 8pm this Friday 3 April 2020 to 6am on Monday 6 April 2020 (NB the closure period has been extended by 24 hours due to the cancellation of major sporting events and the lower levels of traffic at present). Motorway traffic will be diverted to the A4 and A355 over the weekend. During the weekend we will also need to divert local traffic for safety reasons. Riding Court Road bridge will be closed with no pedestrian and vehicle access. There will be a clearly signed local diversion during the bridge closure. This is part of the M4 smart motorway project – attached is a leaflet/poster that can be used online or on social media.

In the event that measures put in place to manage the Covid-19 outbreak affect this work going ahead, we will let you know. Highways England, it’s partners and contractors are following general advice from Government on Covid-19 (which can be found here: and also specific advice regarding construction work on our highways projects. All our sites have strict safeguarding measures to prevent the spread of Covid-19 and none of our sites are open to the public. These measures focus on the advice from the Government and in particular the importance of workers staying 2 metres apart so that workers can protect themselves, their colleagues and families from the virus. The situation is constantly under review and the M4 project will continue to follow and respond to the advice from Government.

For more information please visit: and sign up for weekly closure updates at:

e-mail: M4J3to12SmartMotorways


M4 April 3-6 2020 closure poster.pdf

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