Police have named the 30-year-old killed on Friday in a collision at Holton le Moor as Stuart Carter of Sand Lane, Osgodby.
The collision was reported to the police at 11.08pm on Friday, May 24.
Early indications are that a white Vauxhall Astra van driven by Mr Carter was travelling along Market Rasen Road, Holton-le-Moor when it left the road and collided with a tree.
Mr Carter was the sole occupant of the van and was certified as deceased at the scene.
At this point it is not thought that any other vehicle was involved.
The Lincolnshire Police Collision Investigation Team is trying to establish what happened.
To that end they are appealing for witnesses to the collision or anyone who saw the van prior to the collision to contact them via the Collision Witness Hotline 01522 558855, quoting incident 479 of May 24.
Mr Carter was the 16th person to die on the roads of Lincolnshire in 2013 compared to 13 over the same period in 2012.