A Chatteris pensioner died in a crash at Wimblington on Thursday.
Frederick Overall (73), of Curs Terrace, died when his green Vauxhall Astra collided with a white Ford Transit Connect on the A141 at 9.20am.
Police would like to hear from anyone who saw the accident or the vehicles prior to the crash.
Mr Overall was trapped in his vehicle and had to be released by firefighters. The air ambulance was also in attendance, but despite the best efforts of the Magpas Helimedix team and the ambulance service, Mr Overall died at the scene.
The 40-year-old van driver, a man from Godmanchester, suffered slight injuries.
• Anyone with information should call PC Simon Burgin at the Roads Policing Unit on 101.