Officers are appealing for witnesses and video footage following a serious collision in Adlington.
At around 1.15am on Wednesday 8 September police were called to reports of a collision on Brookledge Lane.
Officers attended the scene and found that a silver saloon car had collided with a tree.
The driver of the car, a 29-year-old man from the Widnes area, is believed to have sustained serious injuries and is currently being treated in hospital.
Enquiries in relation to the incident are ongoing and officers are keen to hear from anyone who witnessed the collision, or anyone with any dashcam footage which may aid the investigation.
Anyone with any information is asked to call Cheshire police on 101, or visit www.cheshire.police.uk/tua , quoiting IML-1079746.
Alternatively, anyone with information can report it to Crimestoppers anonymously via 0800 555 111 or via https://crimestoppers-uk.org/give-information/forms/give-information-anonymously