Location : The M4 westbound between junctions J3 and J4 .
Lane Closures : Lanes 1 and 2 are closed.
Reason : Road traffic collision.
Status : Currently Active.
Time To Clear : The event is expected to clear between 23:45 and 00:00 on 28 May 2025.
Return To Normal : Normal traffic conditions are expected between 22:15 and 22:30 on 27 May 2025.
Delay : There are currently delays of 10 minutes against expected traffic.
Lanes Closed : There are two of four lanes closed.