The A13 is completely shut after a car overturned in Barking.
The accident happened at around 8.50pm on Alfreds Way heading westbound between A1153 Lodge Avenue and Kingsbridge Road near Movers Lane.
Congestion is back to the Goresbrook Interchange.
The flyover is also completely shut and a separate incident on the North Circular is adding to delays.
The exact nature of the accident is as of yet unclear, but Essex Police and the East of England Ambulance Service have both been approached for comment.
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