It occurred at 11.15am on Sunday 27 July 2014, on a roundabout on the A61 at the junction with the B6265, Boroughbridge Road.
The collision involved a red Honda CRV and a vehicle which did not stop at the scene.
Traffic Constable Steve James, of the Force’s Roads Policing Group, said: I am keen to speak to anyone who witnessed the collision and can help to identify the car, which did not stop, and ask them to get in touch.
Anyone who can assist with this enquiry should contact North Yorkshire Police on 101, select option 2 and ask for Steve James. Alternatively, information can be emailed to email@example.com