- 5.30pm on Wednesday 11 November 2015
- A61 between the junction to Sandhutton Village and Carlton Lodge
A motorcyclist riding a blue Yamaha motorcycle from the direction of Busby Stoop was in collision with a silver Audi Q5 travelling in the opposite direction.
The motorcyclist, a 30-year-old local man, was taken to James Cook Hospital where he remains in a serious condition.
The driver of the Audi, a 57-year-old woman, also from the Thirsk area was uninjured.
Police are appealing for witnesses and in particular want to speak to a number of people who stopped at the scene of the crash but left before the police arrived.
If you can help the investigation, please contact North Yorkshire Police on 101, select option 2 and ask for Katie Shaw or email Katie.Shaw@northyorkshire.pnn.police.uk
Please quote reference number 12150200683 when passing on information.