Location : The M40 southbound between junctions J5 and J4 . Lane Closures : The hard shoulder and lane 1 are closed. Reason : Road traffic collision. Status : Currently Active. Time To Clear : The event is expected to clear between 09:45 and 10:00 on 25 June 2021. Return To Normal : Normal traffic conditions are expected between 09:45 and 10:00 on 25 June 2021. Lanes Closed : There is one of three lanes closed.