Location : The M1 northbound between junctions J31 and J32 . Lane Closures : Lane four is closed. Reason : Road traffic collision. Status : Currently Active. Time To Clear : The event is expected to clear between 18:15 and 18:30 on 24 September 2021. Return To Normal : Normal traffic conditions are expected between 18:15 and 18:30 on 24 September 2021. Lanes Closed : There is one of four lanes closed.