Police are appealing for witnesses following an incident involving three cars on the M621 near Leeds.
The incident took place at junction one of the M621 between the slip roads at about 9.25am on Monday 15 October.
A black Suzuki Swift and a white Vauxhall Corsa collided in lane two of the motorway.
The Corsa had braked suddenly just prior to the collision after a silver car pulled in front of it and braked hard.
The female driver of the Corsa suffered minor injuries and was taken to Leeds General Infirmary.