Location : The M1 northbound between junctions J34 and J35 . Lane Closures : Lane one is closed. Reason : Medical emergency. Status : Currently Active. Time To Clear : The event is expected to clear between 20:00 and 20:15 on 21 September 2021. Return To Normal : Normal traffic conditions are expected between 20:00 and 20:15 on 21 September 2021. Lanes Closed : There is one of four lanes closed.