Location : The M4 eastbound between junctions J16 and J15 . Lane Closures : Lane three is closed. Reason : Road traffic collision. Status : Currently Active. Time To Clear : The event is expected to clear between 23:15 and 23:30 on 9 July 2021. Return To Normal : Normal traffic conditions are expected between 00:00 and 00:15 on 10 July 2021. Delay : There are currently delays of 15 minutes against expected traffic. Lanes Closed : There is one of three lanes closed.