M4 J4 westbound exit | Westbound | Road Works
Location : The M4 westbound exit slip at junction J4 .
Lane Closures : Lane one will be closed.
Reason : Litter clearance is planned.
Status : Pending.
Schedule : From 23:00 on 21 November 2025 to 05:00 on 22 November 2025.
Lanes Closed : There will be one of two lanes closed.