Location : The M4 westbound between junctions J18 and J19 . Lane Closures : The hard shoulder and lane 1 are closed. Reason : Road Management. Status : Currently Active. Time To Clear : The event is expected to clear between 09:30 and 09:45 on 24 July 2021. Return To Normal : Normal traffic conditions are expected between 09:30 and 09:45 on 24 July 2021. Lanes Closed : There is one of three lanes closed.