Location : The M4 westbound entry slip at junction J20 .
Lane Closures : Lanes 1 and 2 will be closed.
Reason : Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 7 November 2025 to 06:00 on 8 November 2025.
Lanes Closed : All lanes will be closed.
