Location : The M1 northbound between junctions J18 and J19 . Lane Closures : Lanes 1 and 2 are closed. Reason : Road traffic collision. Status : Currently Active. Time To Clear : The event is expected to clear between 05:30 and 05:45 on 11 July 2021. Return To Normal : Normal traffic conditions are expected between 05:30 and 05:45 on 11 July 2021. Lanes Closed : There are two of four lanes closed.