Traffic is queuing on on the M25, between Chorleywood and Watford, after a crash between a lorry and a car.
A female driver was injured in the crash, which took place at 2pm this afternoon, and was taken to Watford General Hospital.
One lane of the clockwise carriageway was closed due to the incident, between junctions 18 and 19, while the woman's blue Ford Fiesta was removed.
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