We are appealing for witnesses following a collision on the A25 Epsom Road in Guildford this morning (30 September).
Officers were called at around 9:30am following reports of a single vehicle collision close to the Park and Ride.
The driver of the blue Peugeot 307 was taken to hospital with potentially life-changing injuries.
The A25 remains partially closed whilst officers and emergency services remain on scene.
Anyone who witnessed the incident, or anyone with any dashcam footage, is asked to contact us using the webchat on our website www.surrey.police.uk or by calling us on 101, quoting incident reference PR/P20228659.