A multi-vehicle crash on the M25 has left vehicles so damaged that towing them away would be impossible without spilling oil or debris.
The crash took place on the M25 anti-clockwise between Waltham Cross and Cheshunt shortly before 1pm today (Sunday, April 25).
There were long delays on the route between junction 27 (M11, Epping) and junction 25 (A10, Enfield), and all traffic was temporarily stopped when the crash first took place.
Traffic has since cleared.
A National Highways statement read: "Some of the vehicles were substantially damaged at the front which means towing them to the side wasn't possible without causing oil/debris to be spread across the road."
National Highways confirmed there were no injuries.
As well as delays, the M25 anti-clockwise exit slip road onto the A10 roundabout is shut.
There is also no access from the A10 onto the M25 clockwise (towards Stansted Airport).
This is due to traffic light testing and resurfacing as part of a National Highways plan to reduce queues at the junction.
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