M4 J12 westbound access | Westbound | Road Works

Location : The M4 westbound entry slip at junction J12 . Reason : Roadworks are planned. Status : Pending. Schedule : Expect disruption everyday between 21:00 and 06:00 from 8 September 2025 to 13 September 2025. Schedule : Expect disruption everyday between 21:00 and 06:00 from 15 September 2025 to 20 September 2025. Schedule : Expect disruption everyday between 21:00 and 06:00 from 22 September 2025 to 27 September 2025. Schedule : Expect disruption everyday between 21:00 and 06:00 from 29 September 2025 to 3 October 2025. Lanes Closed : All lanes will be closed.