From 2nd June: M4 Eastbound Overnight Closures Between J13 and J12 for Roadworks

Published: 02 June 2025

National Highways will be resurfacing the M4 eastbound carriageway between Junction 13 (Chieveley Interchange) and Junction 12 (Theale Interchange) over several weeks between June and September.

Initial works begin with overnight lane closures from 9pm to 6am on Monday 2 June and Tuesday 3 June.

From Wednesday 4 June to Wednesday 20 August, the entire eastbound carriageway will be closed overnight (9pm–6am), Monday to Friday only.

Diversion Route: Traffic will be redirected via the A339 and A4, rejoining the M4 at Junction 12.

Drivers are encouraged to plan ahead and allow extra time for journeys during these works. For full details and updates, visit the National Highways website.