The road is currently blocked on the A16 at Stickney near Boston after a crash involving three vehicles.
The collision happened on Main Road, Stckney at 11.18am on Tuesday, October 2.
The Lincolnshire Police force control room posted a warning to drivers on social media.
At the time of writing, the types of vehicles involved and injuries are not known.
This is a developing story and will be updated accordingly. Help keep others informed by contacting the newsroom on [email protected] or 01522 837218.