Location : The M1 northbound at junction J31 . 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 23:30 and 23:45 on 5 February 2022. Return To Normal : Normal traffic conditions are expected between 23:30 and 23:45 on 5 February 2022. Lanes Closed : There are two of four lanes closed.