Location : The M4 westbound between junctions J18 and J19 .
Lane Closures : Lanes 1 and 2 will be closed.
Reason : Roadside drains works are planned.
Status : Pending.
Schedule : From 22:00 on 4 February 2026 to 06:00 on 5 February 2026.
Lanes Closed : All lanes will be closed.
