M4 J12 westbound access | Westbound | Road Works

September 1, 2025 - 7:22 pm Last updated September 2, 2025 - 5:11 am

Location : The M4 westbound entry slip at junction J12 . Reason : Roadworks are planned. Status : Pending. Schedule : From 21:00 on 3 October 2025 to 06:00 on 5 October 2025. Lanes Closed : All lanes will be closed.