M4 westbound between J21 and J22 | Westbound | Road Works

Location : The M4 westbound between junctions J20 and J22 .
Lane Closures : Lane one will be closed.
Reason : Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 20 August 2025 to 05:00 on 21 August 2025.
Lanes Closed : There will be one of two lanes closed.