A 39-year-old Tinaroo woman has passed away following a car crash in Mareeba on Wednesday morning.
The Forensic Crash Unit are investigating the incident which is believed to have occurred at around 6.15am.
It is understood two four wheel drives travelling in opposite directions collided on the Kennedy Highway just north of Gallo Drive intersection.
The Tinaroo woman was the sole occupant of her vehicle and was declared deceased at the scene.
A 56-year-old Mareeba man who was driving the other vehicle was transported to Cairns Hospital with serious injuries.
Traffic incursions had been in place throughout the day.
Police are urging anyone with dashcam footage of the incident, or any further information that could help them with their investigation to come forward.