A motorcyclist, who died in a collision on the A6 near Rowsley last Sunday (7th July) has been named as Richard McSherry, from Glossop.
The family of Mr McSherry, who was 46, are being supported by specialist officers.
The collision, between a grey Audi A6 estate and a black Aprilia motorbike, happened just before 4.30pm.
Officers would like to identify the rider of a dark-coloured Suzuki Hayabusa which was seen travelling along the A6 from Rowsley around the time of the collision. This person may have witnessed the incident, and may be able to help our enquiries.
If you saw this bike, or were driving in the area at the time and have dash cam footage, contact us using one of the following non-emergency contact methods.
Police ask that the reference number 19*353568 is quoted in any correspondence.