M4 westbound between J12 and J13 | Westbound | Road Works

Location : The M4 westbound between junctions J12 and J13 . Lane Closures : Lane three will be closed. Reason : Roadworks are planned. Status : Pending. Schedule : From 20:00 on 5 March 2026 to 06:00 on 6 March 2026. Lanes Closed : There will be one of three lanes closed.