The Forensic Crash Unit is investigating a serious car crash at Chatsworth in Wide Bay, near Gympie, on Saturday 10 February.
Initial investigations indicate at about 12pm, a Ford Explorer was travelling north along the Bruce Highway when it crossed the road and crashed into a tree.
The driver and sole occupant, a 57-year-old Gunalda man, was airlifted to the Royal Brisbane and Women’s Hospital with critical injuries.
Witnesses, particularly anyone with relevant dashcam vision or CCTV, is urged to contact police.
Investigations are continuing.