A woman has been airlifted to hospital with serious injuries after the car she was driving flipped and crashed near Lincoln.
The single-vehicle collision happened on the B1398 between Glentworth and Ingham shortly after 8am on Friday, July 29.
The female driver was flown to Hull Royal Infirmary with serious injuries.
The road has been closed at Fillingham and at the Harpswell Hill roundabout.
The road is expected to be closed for about two hours with closures and diversions in place while emergency services clear the road.
One lane is open in the Scampton direction.
The road closure begins at Tillbridge Lane onto the B1398.