Location : The M4 eastbound between junctions J23 and J21 .
Reason : Accident investigation.
Status : Currently Active.
Time To Clear : The event is expected to clear between 02:15 and 02:30 on 5 August 2025.
Return To Normal : Normal traffic conditions are expected between 02:15 and 02:30 on 5 August 2025.
Lanes Closed : All lanes are closed.
Previous Reason : Following an earlier accident involving an overturned vehicle.
