M11 | Essex | Carriageway Closure | Expect Delays The M11 in Essex is closed southbound between J8 near Stansted Airport and J7A near Harlow North due to a collision involving an overturned heavy goods vehicle which has crossed from the northbound carriageway onto the southbound carriageway and has subsequently overturned and come to rest on its side.  Traffic has been stopped on the northbound carriageway whilst emergency services work at the scene.