Two people were taken to hospital following a serious collision on the B1225 Horncastle Road, near the Walesby turning.
The collision took place at around 5.10pm yesterday Sunday July 12 and involved a silver Lexus saloon which was involved in a head-on collision with a white Mercedes panel van.
The two drivers have been taken to Hull Royal Infirmary with suspected serious injuries. Passengers in the van were not believed to be seriously hurt.
The road was closed whilst the vehicles were recovered and an investigation into the cause of the crash was launched.
Anyone who saw the crash or who saw either vehicle on the road prior to it is asked to contact Lincolnshire Police via the non-emergency 101 number. Alternatively they can call the Collision Witness Hotline 01522 558855.