Location : The M40 southbound between junctions J14 and J12 . Lane Closures : Lane three is closed. Reason : Road traffic collision. Status : Currently Active. Time To Clear : The event is expected to clear between 01:45 and 02:00 on 20 June 2021. Return To Normal : Normal traffic conditions are expected between 01:45 and 02:00 on 20 June 2021. Lanes Closed : There is one of three lanes closed.