From Location : The A1M southbound at junction J1 . To Location : The A1 southbound between the junctions with the M25 and the A5135 . Lane Closures : The hard shoulder and lane 1 are closed. Reason : Broken down vehicle. Status : Currently Active. Time To Clear : The event is expected to clear between 01:15 and 01:30 on 1 July 2021. Return To Normal : Normal traffic conditions are expected between 01:15 and 01:30 on 1 July 2021. Lanes Closed : There is one of three lanes closed.