Location : The M4 westbound between junctions J19 and J20 .
Lane Closures : Lane three is closed.
Reason : Road traffic collision.
Status : Currently Active.
Time To Clear : The event is expected to clear between 12:00 and 12:15 on 12 June 2026.
Return To Normal : Normal traffic conditions are expected between 12:00 and 12:15 on 12 June 2026.
Lanes Closed : There is one of three lanes closed.
