The incident, which left six people sustaining serious injuries, happened at around 1.50pm on Saturday (16/7) on the Beaconsfield Eastern Relief Road, between the Pyebush roundabout (A40) and the A355 Amersham Road.
A black Audi was involved in a collision with a silver Range Rover.
The six injured people were taken to hospital where they are in a stable condition.
Investigating officer Sergeant Tyrone Powell, of the Buckinghamshire Roads Policing Unit, said: “If anybody witnessed this collision or has any information to give, please call 101 or make a report online on the TVP website, quoting reference 43220314354.
“We are particularly keen to hear from anybody who may have any dash-camera or mobile phone footage of this incident.”

Mindset United celebrates their one year anniversary
Food waste recycling expanding to flats in the south of Buckinghamshire
Bucks Olympians going for gold in Italy
Bucks charity launches overnight Hospice at Home service
New double yellows for street
Amnesty for blank guns now classed as illegal
Aylesbury Arm of canal re-opened
Bucks community groups eligible to benefit from £200,000 seized from criminals











