M4 westbound within J1 | Westbound | Road Works

January 13, 2026 - 2:45 am Last updated January 19, 2026 - 10:28 am

Location : The M4 westbound at junction J1 . Lane Closures : Lane two will be closed. Reason : Barrier repairs are planned. Status : Pending. Schedule : Expect disruption everyday between 22:00 and 05:30 from 19 January 2026 to 23 January 2026. Schedule : From 23:00 on 23 January 2026 to 06:00 on 24 January 2026. Lanes Closed : There will be one of two lanes closed.