Police have closed off one lane of the A1 south of Grantham to deal with a two-car crash on Tuesday morning.
One lane of the A1 southbound remains closed at the Colsterworth junction, with Leicestershire Police on the scene.
A police spokesperson said that it was a two-car crash and that no injuries have been reported.
Emergency services were called to the accident at around 7am on Tuesday morning.
As a result, there are about six miles of delays leading down the A1 and traffic is still building in the area.