Location : The M4 westbound between junctions J11 and J12 .
Lane Closures : The hard shoulder, lanes 1 and 4 are closed.
Reason : Road traffic collision.
Status : Currently Active.
Time To Clear : The event is expected to clear between 01:15 and 01:30 on 19 May 2025.
Return To Normal : Normal traffic conditions are expected between 01:15 and 01:30 on 19 May 2025.
Lanes Closed : There are two of four lanes closed.