Emergency services were called to a fatal accident on the Mitchell Highway at around 8.15pm on Friday following reports of a crash between a truck, and two vehicles involved in an earlier incident.
Officers attached to the Central West Police District, NSW Ambulance paramedics and Fire and Rescue NSW attended the scene, near Thompson Road, a short time later.
Police were told a BMW hatchback and a Toyota utility had collided at the corner of Thompson Road and the Mitchell Highway.
While a 15-year-old boy, a passenger of the Toyota, rendered assistance to the occupants of the BMW, a prime mover truck struck both vehicles.
The 15-year-old died at the scene.
The 17-year-old male driver of the Toyota, plus the occupants of the BMW, a 72-year-old man and a 71-year-old woman, were taken to Orange Hospital in a stable condition.
Their injuries are not considered life-threatening.
The truck driver, a man aged 48, was taken to Orange Hospital for mandatory testing.
A crime scene was established, and the Crash Investigation Unit commenced an investigation.
Both lanes of the Mitchell Highway were closed overnight, and diversions were put in place.
The highway was re-opened in both directions at 7.30am on Saturday.
Inquiries are continuing and a report will be prepared for the coroner.
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