Location : The M4 westbound between junctions J4B and J5 . 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 12:45 and 13:00 on 19 June 2021. Return To Normal : Normal traffic conditions are expected between 13:30 and 13:45 on 19 June 2021. Lanes Closed : There is one of four lanes closed.