Location : The M3 westbound exit slip at junction J3 . Lane Closures : Lane one is closed. Reason : Road traffic collision. Status : Currently Active. Time To Clear : The event is expected to clear between 00:45 and 01:00 on 25 June 2021. Return To Normal : Normal traffic conditions are expected between 00:45 and 01:00 on 25 June 2021. Lanes Closed : There is one of two lanes closed.