A 22-year-old man from Grantham died on Friday night when his car hit a wall at the end of Belton Lane, Great Gonerby.
Emergency services were called to the scene at 9pm where the man was pronounced dead. The driver was alone in the grey Ford Focus and no other vehicles were involved. The driver has not been named.
Two fire crews attended the accident and hydraulic equipment was used to free the driver from the car.
Anyone who was in the area around 9pm on Friday and either saw the Ford Focus collide with the wall or saw it before the collision is asked to contact 101 or the Lincolnshire Police witness appeal line on 01522 558855.
This is the second fatality on the county’s roads this year.