Nottinghamshire Police are appealing for witnesses after a head-on collision on the A616 between Cuckney and Creswell.
The incident took place on March 30 and involved a silver Ford Mondeo and a silver Vauxhall Corsa.
The driver of the Vauxhall Corsa, a 51-year-old man, was taken to hospital with life-altering injuries. He remains in hospital.
If you saw what happened or if you have any information which may assist, please call Nottinghamshire Police on 101 quoting incident number 134 of March 30.