Location : The A1M northbound exit slip at junction J15 . Reason : Police incident. Status : Currently Active. Time To Clear : The event is expected to clear between 02:30 and 02:45 on 7 September 2021. Return To Normal : Normal traffic conditions are expected between 02:30 and 02:45 on 7 September 2021. Lanes Closed : There are lane closures.