Location : The M1 northbound between junctions J36 and J37 . 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 00:15 and 00:30 on 20 April 2022. Return To Normal : Normal traffic conditions are expected between 00:15 and 00:30 on 20 April 2022. Lanes Closed : There is one of three lanes closed.