A serious crash at Mourilyan is under investigation.
Around 10am yesterday, a Holden Commodore crashed into a parked semi-trailer along South Johnstone Road.
A 24-year-old woman, who was a passenger in the vehicle, was airlifted to Townsville Hospital in a critical condition.
The 31-year-old male driver was not injured in the crash.
Anyone with information or dashcam vision that could assist police investigations is urged to come forward.