A section of the A15 north of Lincoln has been closed in both directions due to a crash involving two cars.
Police and other emergency services are at the scene of the collision, which happened at the Ingham/Spridlington turn off.
The road is blocked in both directions and the A15 southbound at Caenby Corner is closed.
Traffic north of the incident has been diverted to Spridlington and from the south towards Ingham.
Lincolnshire Police confirmed two people have been injured.
LATEST UPDATE 11.30am: The road has now reopened.
Are you in the area? You can reach the news team on [email protected] or 01522 837217