Location : The M4 westbound entry slip at junction J4 . Reason : Debris on the carriageway. Status : Currently Active. Time To Clear : The event is expected to clear between 09:15 and 09:30 on 12 May 2022. Return To Normal : Normal traffic conditions are expected between 09:15 and 09:30 on 12 May 2022. Lanes Closed : There are lane closures.