Location : The M1 southbound entry slip at junction J21A from A46/B5380. Reason : Accident involving a vehicle crossing the central reservation. Status : Currently Active. Time To Clear : The event is expected to clear between 17:45 and 18:00 on 24 July 2021. Return To Normal : Normal traffic conditions are expected between 17:45 and 18:00 on 24 July 2021. Lanes Closed : All lanes are closed.