ONE lane on the A12 is blocked due to a broken down vehicle.

The Londonbound lane between Eight Ash Green and Marks Tey has been blocked since about 6.45am.

Traffic is queuing traffic back to the Ardleigh Crown Interchange.

The breakdown has also caused problems in Colchester town centre, with Cowdray Avenue and Westway being blocked. 

UPDATE 9.25am: The breakdown has now been cleared but there is still traffic around the town centre.