Officers are appealing for drivers with dashcam footage to come forward after a fatal collision near Carsington Water.
The collision, which saw a grey Isuzu D-Max collide with a tree, took place on the B5035 close to the junction for Brassington at around 3am on Sunday 13 February.
Nineteen-year-old Jack Hotchkiss, who was from the Foston area and was a passenger in the vehicle, died at the scene. His family are being supported by specialist officers and we ask that their privacy is respected at this time.
The driver of the vehicle, a man in his 20s from the Ashbourne area, has been released on police bail after being arrested on suspicion of causing death by dangerous driving.
Officers are keen to speak to anyone who was on the B5035 and may have dashcam footage from of the Isuzu.
Anyone with information is asked to contact Derbyshire police using any of the below methods, including reference 22*087799: