Police are trying to trace witnesses to a collision in Matlock.
Just after 7.30pm on Saturday, March 17, a white Hyundai was hit from behind by a silver Freelander 2 on Syndope Hill.
The Freelander and its driver were not at the scene when officers attended.
The driver of the Hyundai had to be cut free from the vehicle after suffering back injuries. His family, who were in the car at the time, were uninjured.
Witnesses or anyone with information should call PC Damian Stanton on 101, quoting reference 18000123275.
Alternatively, send him a message online by visiting the 'Contact Us' section of the police website.
You can also call Crimestoppers on 0800 555 111.