As part of the upgrades to the safety zones around Liverpool Airport - ordered by the aviation authority the CAA - to reduce the risk of aircraft overshooting the runway. the Mound, which is used by aircraft spotters and visitors has been levelled off and closed. The upgrades include the re-opening of Baileys Lane and the closing off - stopping off, of Dungeon Lane to provide a run off strip on the nearby field - for aircraft that may overshoot the runway. The concrete blocks