A pedestrian was flown to hospital in Sheffield after he was struck by a car in north Derbyshire.
The man was struck by a black Volvo C30 on Holmgate road, Clay Cross, at 9.30am on Thursday.
Police said he was seriously injured.
A 45 year old woman has been arrested over the collision.
Witnesses should call Derbyshire Police on 101, quoting incident 138 of May 14.