Location : The M40 southbound exit slip at junction J4 . Lane Closures : The hard shoulder and lane 1 are closed. Reason : Broken down vehicle. Status : Currently Active. Time To Clear : The event is expected to clear between 20:30 and 20:45 on 1 July 2021. Return To Normal : Normal traffic conditions are expected between 20:30 and 20:45 on 1 July 2021. Lanes Closed : There is one of two lanes closed.