The Queensland Police Forensic Crash Unit is investigating a serious traffic crash in Cooroibah on Sunday morning, 12 October.
Initial investigations indicate around 7am a silver Mazda hatchback was travelling eastbound when it left the road and rolled.
A passenger in the vehicle, an 18-year-old Tewantin man, was transported to hospital where he remains in critical condition.
A second passenger, another 18-year-old Tewantin man, did not sustain any physical injuries.
The driver of the vehicle, an 18-year-old Carters Ridge man, also did not sustain any physical injuries.
Officers are appealing for anyone with information or relevant video footage to contact police.
The Forensic Crash Unit investigation is continuing.
