Police are investigating a serious single vehicle traffic incident in Bowenville early this morning.
At 12.20am, a 16-year-old boy fell from the tray of a utility being driven in the Bowenville Reserve.
The boy sustained serious head injuries when he landed on bitumen and was taken to Toowoomba Hospital for treatment to life-threatening-injuries.
The 20-year-old male driver was not injured during the incident and is assisting police with their inquiries.
The Forensic Crash Unit is investigating.