Location : The M1 northbound between junctions J28 and J29 . Lane Closures : Lanes 1, 2 and 3 are closed. Reason : Road traffic collision. Status : Currently Active. Time To Clear : The event is expected to clear between 20:15 and 20:30 on 29 June 2021. Return To Normal : Normal traffic conditions are expected between 20:15 and 20:30 on 29 June 2021. Lanes Closed : There are three of four lanes closed.