The B1191 in the village of Martin, near Woodhall Spa, has been closed due to a rush hour collision.
The crash was reported to Lincolnshire Police at 7.50am on Thursday, January 16 and involved two vehicles.
Emergency services are said to be on scene and dealing with the situation. Drivers are being asked to avoid the area.
Lincolnshire Police said in a social media post: “Please avoid the area for the time being and find alternative routes where possible.”
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