The appeal follows a collision at 1pm on Friday 5 August 2016 on Harcourt Drive in Harrogate, close to its junction with Kingsway.
A 14-year-old boy cyclist suffered leg, head and shoulder injuries during a collision with a black Ford Mondeo. He and was taken to Harrogate District Hospital where his condition is described as comfortable.
Police are appealing for the woman who stopped at the scene to help the injured boy and any other witnesses to come forward. The woman stayed with the boy until his parents arrived at the scene.
If you are the woman who stopped or if you witnessed the collision or saw either the black car or the cyclist prior the collision, please contact North Yorkshire Police on 101, select option 2 and ask for Traffic Constable Rob Roberts of Harrogate Roads Policing Group. Or email firstname.lastname@example.org
Please quote reference 12160140826 when passing on information.