Location : The M4 westbound between junctions J18 and J19 .
Lane Closures : Lanes 2 and 3 are closed.
Reason : Road traffic collision.
Status : Currently Active.
Time To Clear : The event is expected to clear between 11:30 and 11:45 on 7 September 2025.
Return To Normal : Normal traffic conditions are expected between 11:15 and 11:30 on 7 September 2025.
Lanes Closed : There are two of three lanes closed.
