A driver suffered serious head injuries after he was involved in a collision near Great Holm on Saturday.
At 2.20am, a blue Ford Focus was travelling along the H4 Dansteed Way towards the V5 Great Monks Street, when it left the road and collided with a crash barrier. This then caused the car to roll down the road.
The driver of the Focus, a 24-year-old man, was taken to the John Radcliffe Hospital, in Oxford, where he is being treated for serious head injuries.
PC Russell Irwin, based at the Roads Policing Joint Operations Unit in Milton Keynes, is appealing for anyone who witnessed the collision or who saw the vehicle before the collision, to come forward.
If you can help, please call PC Irwin via the 24-hour Police Enquiry Centre on 101.
If you don’t want to speak directly to the police you can call Crimestoppers on 0800 555 111.