Location : The M1 northbound between junctions J20 and J21 .
Lane Closures : The hard shoulder and lane 1 are closed.
Reason : Accident involving an overturned vehicle.
Status : Currently Active.
Time To Clear : The event is expected to clear between 17:00 and 17:15 on 22 September 2025.
Return To Normal : Normal traffic conditions are expected between 18:00 and 18:15 on 22 September 2025.
Lanes Closed : There is one of three lanes closed.