Location : The A1 southbound exit slip to the A638 . Reason : Road traffic collision. Status : Currently Active. Time To Clear : The event is expected to clear between 01:30 and 01:45 on 26 July 2021. Return To Normal : Normal traffic conditions are expected between 01:30 and 01:45 on 26 July 2021. Lanes Closed : All lanes are closed.