Location : The M3 westbound entry slip at junction J4A . Reason : Road traffic collision. Status : Currently Active. Time To Clear : The event is expected to clear between 03:00 and 03:15 on 18 June 2021. Return To Normal : Normal traffic conditions are expected between 03:00 and 03:15 on 18 June 2021. Lanes Closed : All lanes are closed.