There are still severe delays on the North Circular after a lorry and a car were involved in an accident during the morning rush hour.
Only one lane is open while recovery work continues to remove debris from the northbound approach to Redbridge Roundabout, just east of Wanstead.
The woman driver was hospitalised complaining of back pain after the accident just after 8.30am but police said they did not believe the injuries to be serious.
The driver of the lorry emerged unscathed.
Police said they hoped the road would be fully opened in the next hour.
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