Location : The A303 westbound between the A372 and the junction with the A3088 . Reason : Accident involving an overturned vehicle. Status : Currently Active. Time To Clear : The event is expected to clear between 03:45 and 04:00 on 31 August 2021. Return To Normal : Normal traffic conditions are expected between 03:45 and 04:00 on 31 August 2021. Lanes Closed : All lanes are closed.