The 22-year-old Grantham man who died after his car was in collision with a wall has been named by police as Matthew Audbrook, of Coxmoor Close.
Emergency services were called to Belton Lane, Great Gonerby, at about 9pm on Friday.
Mr Audbrook, who was alone in the grey Ford Focus, was pronounced dead at the scene.
No other vehicles were involved.
Anyone who was in the Belton Lane area at about 9pm on Friday and saw the Ford Focus collide with the wall, or saw the vehicle being driven before the incident, is asked to contact Lincolnshire Police on 101 or the witness appeal line on 01522 558855.