Location : The A421 southbound between the junctions with the A428 and the M1 . Reason : Road traffic collision. Status : Currently Active. Time To Clear : The event is expected to clear between 16:45 and 17:00 on 14 April 2022. Return To Normal : Normal traffic conditions are expected between 16:45 and 17:00 on 14 April 2022. Lanes Closed : All lanes are closed.