Stansted Airport traffic: Is the A120 closed? Accident between M11 and airport causes long queues
The crash is on the westbound side in Essex.
National Highways said: “All emergency services are in attendance. Please allow extra journey time if you're travelling in the area.”
The AA traffic monitoring service said it was first reported at 5.48am and said delays “are increasing”.
There are now 45-minute delays, says National Highways.
More to follow
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