Location : The M1 northbound at junction J11A . Lane Closures : Lanes 3 and 4 are closed. Reason : Road traffic collision. Status : Currently Active. Time To Clear : The event is expected to clear between 18:15 and 18:30 on 25 July 2021. Return To Normal : Normal traffic conditions are expected between 18:15 and 18:30 on 25 July 2021. Lanes Closed : There are two of four lanes closed.