Location : The A303 eastbound between the junctions with the A358 and the A356 . Reason : Accident involving an overturned vehicle. Status : Currently Active. Time To Clear : The event is expected to clear between 20:30 and 20:45 on 18 September 2021. Return To Normal : Normal traffic conditions are expected between 20:30 and 20:45 on 18 September 2021. Lanes Closed : There are lane closures.