A pedestrian was hit by a car in Woodburn at 10:30pm on Friday, December 1.
The Westpac Rescue Helicopter flew to Woodburn to the man in his late teens who had serious head and chest injuries.
Paramedics treated the man before he was taken by ambulance to Lismore Base Hospital.
He was stabilised there and then flown to the Gold Coast University Hospital.
The driver was taken to the police station for mandatory testing.