Location : The M4 westbound at junction J16 . Lane Closures : The hard shoulder, lanes 1 and 2 are closed. Reason : Vehicle fire. Status : Currently Active. Time To Clear : The event is expected to clear between 15:00 and 15:15 on 26 September 2021. Return To Normal : Normal traffic conditions are expected between 15:00 and 15:15 on 26 September 2021. Lanes Closed : There are two of three lanes closed.