A 15-year-old girl has tragically died following a devastating three-vehicle crash on the A355 in Beaconsfield. The horror smash happened just after 9:20pm on Friday, March 13, 2026.
Deadly Three-Vehicle Crash Blocks A355
The collision involved a white Toyota Yaris, a grey Toyota Hilux, and a motorbike. The smash completely blocked both sides of Amersham Road between Beaconsfield Eastern Relief Road and Ledborough Lane.
Sadly, the teenage girl who was a passenger on the motorbike died instantly at the scene. Her devastated family has been informed and is receiving police support.
Three Teens Arrested Over Fatal Crash
- The motorbike rider, a 16-year-old boy from Beaconsfield, was arrested on suspicion of causing death by dangerous driving.
- Two others, a 16-year-old boy and a 15-year-old girl from High Wycombe, also face the same charge. They were nearby on another bike at the time.
- All three teens remain in custody as police continue their investigation.
Police Launch Probe and Urge Witnesses to Come Forward
Thames Valley Police have referred the case to the Independent Office for Police Conduct after reports a police car near the crash was not using blue lights. An independent review is now underway.
Detective Sergeant Oliver Cahill-Smith from the Serious Collision Investigation Unit said: “Firstly, I would like to share my sincere condolences with the family of the girl who has sadly died as a result of this collision.”
“I am appealing to anyone who witnessed the incident to please get in touch. Anyone driving near the scene before the crash is asked to check their dash-cam footage—it could be crucial to our investigation.”
A Thames Valley Police spokesperson added: “Anyone with information can call 101 or report online, quoting reference 43260125160. To remain anonymous, contact Crimestoppers on 0800 555 111 or via their website.”