Location : The M1 southbound at junction J21 . Lane Closures : The hard shoulder and lane 1 are closed. Reason : Vehicle tyre change. Status : Currently Active. Time To Clear : The event is expected to clear between 22:30 and 22:45 on 21 June 2021. Return To Normal : Normal traffic conditions are expected between 22:30 and 22:45 on 21 June 2021. Lanes Closed : There is one of three lanes closed.