Location : The M1 southbound at junction J31 . Lane Closures : Lane one is closed. Reason : Road traffic collision. Status : Currently Active. Time To Clear : The event is expected to clear between 20:00 and 20:15 on 19 June 2021. Return To Normal : Normal traffic conditions are expected between 20:00 and 20:15 on 19 June 2021. Lanes Closed : There is one of four lanes closed.