Firefighters were called to a car fire on the A406 between Ilford and Barking this afternoon.
A spokesman for the London Fire Brigade said two fire engines were called to a car fire between the Ilford Flyover and Barking Flyover at 4.28pm and the blaze was put out by 4.42pm.
A spokesman for TfL said: "Traffic is slow with queues beyond the Ilford Flyover."
All lanes have now reopened but drivers should expect delays in the area.
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