A man and a woman were taken to hospital after the car they were travelling in crashed on the A16 near Kirton.
It involved a black Audi A6 driven by a 27-year-old woman from Kirton and carrying two passengers, both men aged 29, which crashed at about 9.40pm on Saturday.
Fire crews from Kirton and Boston helped one person from the car and two of those involved, including the driver, were taken to Pilgrim Hospital, Boston, with what were not thought to be serious injuries.