The A16 was closed in both directions after an early morning crash near Crowland.
According to AA Traffic, the road was closed due to a serious accident on the A16 between Peterborough Road South and the B1443 Thorney Road.
The crash, which was reported at around 6.30am on Friday, February 7, was affecting Peterborough Road with delays on the approach to the A16.
Lincolnshire Police assisted their colleagues in Cambridgeshire with the collision, but there was no further information available by the time of publication.
The road remains closed at the time of publishing.