Location : The M25 anticlockwise exit slip at junction J12 . Lane Closures : The hard shoulder and lane 1 are closed. Reason : Accident involving an overturned vehicle. Status : Currently Active. Time To Clear : The event is expected to clear between 02:00 and 02:15 on 6 September 2021. Return To Normal : Normal traffic conditions are expected between 02:00 and 02:15 on 6 September 2021. Lanes Closed : There is one of two lanes closed.