Location : The M23 northbound entry slip at junction J11 . Reason : Road traffic collision. Status : Currently Active. Time To Clear : The event is expected to clear between 09:45 and 10:00 on 21 June 2021. Return To Normal : Normal traffic conditions are expected between 09:45 and 10:00 on 21 June 2021. Lanes Closed : All lanes are closed.