Location : The M1 northbound between junctions J43 and J44 . Lane Closures : The hard shoulder and lane 1 are closed. Reason : Road traffic collision. Status : Currently Active. Time To Clear : The event is expected to clear between 15:15 and 15:30 on 1 July 2021. Return To Normal : Normal traffic conditions are expected between 15:00 and 15:15 on 1 July 2021. Lanes Closed : There is one of three lanes closed.