The Forensic Crash Unit is investigating a two-vehicle crash at Wamuran, south of Woodford, this afternoon, October 20.
Initial investigations indicate just before 3pm, a Mitsubishi Pajero station wagon was travelling west on the D'Aguilar Highway when it crashed into a Ford Everest station wagon, travelling in the opposite direction.
The driver of the Ford Everest, a 57-year-old woman, was airlifted to the Sunshine Coast University Hospital with life-threatening injuries.
The passengers in the Everest, a 58-year-old man and a 68-year-old woman, died at the scene.
The driver of the Pajero, a 26-year-old man, suffered minor injuries and was taken to the Royal Brisbane and Women's Hospital for treatment.
He is continuing to assist police with their enquires.
Police are appealing to witnesses, or anyone with relevant vision, to immediately come forward.
Investigations are continuing.
If you have information for police, contact Policelink by providing information using the online suspicious activity form 24hrs per day at www.police.qld.gov.au/reporting or call 131 444.
Report crime information anonymously via Crime Stoppers. Call 1800 333 000 or report online at www.crimestoppersqld.com.au.
Quote this reference number: QP2401801537
The Queensland Police Service is committed to reducing the number of lives lost on our roads.
Data shows that serious crashes can be significantly reduced when drivers recognise and avoid the 'Fatal Five' behaviours: speeding, drink and drug driving, not wearing seatbelts, fatigue and distraction.
Road safety is everyone's responsibility. Learn more about staying safe on Queensland roads: https://www.police.qld.gov.au/initiatives/fatal-five-staying-safe-roads