A woman in her 20s was airlifted to hospital with serious injuries after a four-vehicle crash on the A1 northbound at Long Bennington.
Lincolnshire Police were called to the crash which was reported at 4.40pm on Wednesday, December 6.
The crash involved three cars and a lorry.
A woman who was the single occupant in one of the car was taken to the Queen’s Medical Centre in Nottingham.
The road was closed for around 10 hours following the crash, reopening at around 3am this morning.
Police are dealing with the crash under incident number 333 of December 6.