The B1390 at Sutton St James, Spalding has been closed after a serious collision.
Lincolnshire Police said one vehicle and one man is involved in the collision and emergency services are currently on scene.
Police are advising people to find alternative routes if possible.
A spokesperson from the force was unable to confirm if there have been any injuries.
Anyone who witnessed anything that may help police with their enquiries should contact 101 quoting incident 37 of March 15.
This is a developing story and will be updated accordingly. You can reach the news team via [email protected]