Location : The M1 northbound between junctions J39 and J40 . Lane Closures : Lanes 2, 3 and 4 are closed. Reason : Road traffic collision. Status : Currently Active. Time To Clear : The event is expected to clear between 10:45 and 11:00 on 29 June 2021. Return To Normal : Normal traffic conditions are expected between 11:45 and 12:00 on 29 June 2021. Delay : There are currently delays of 1 hour against expected traffic. Lanes Closed : There are three of four lanes closed. Previous Reason : Following an earlier accident.