Thames Valley Police is appealing for witnesses following a serious injury road traffic collision in Iver.
A black Nissan Skyline and a Yamaha motorcycle were involved in the collision in Wood Lane at around 7.50pm on Sunday (13/8).
The driver of the motorcycle sustained serious injuries to his head and legs and remains in hospital.
Investigating officer PC Nicholas Gent said: “We are appealing for the public’s assistance while we investigate this collision.
“We would ask anyone with witness information or dash-cam footage of the incident to please get in touch.
“Anyone with information should provide it through our online pages or by calling 101, quoting reference 43230361491.”