Location : The M4 westbound between junctions J21 and J22 .
Lane Closures : The hard shoulder and lane 1 are closed.
Reason : Vehicle fire.
Status : Currently Active.
Time To Clear : The event is expected to clear between 05:15 and 05:30 on 19 August 2025.
Return To Normal : Normal traffic conditions are expected between 05:30 and 05:45 on 19 August 2025.
Lanes Closed : There is one of two lanes closed.