Location : The M66 southbound between junctions J3 and J4 . Reason : Accident involving an overturned vehicle. Status : Currently Active. Time To Clear : The event is expected to clear between 23:30 and 23:45 on 25 September 2021. Return To Normal : Normal traffic conditions are expected between 23:30 and 23:45 on 25 September 2021. Lanes Closed : There are lane closures.