The Waikato Westpac Rescue Helicopter was dispatched to a single car crash on State Highway 1 at Lichfield at approximately 4am this morning.
A 19-year-old Tokoroa male driver suffered a serious head injury when his car left the road and collided with a power pole.
Police, Fire and Ambulance staff worked at the scene to secure the downed wires and free the driver.
Traffic is diverted while the road is blocked.
The driver was stabilised by St John Paramedics before being airlifted to Waikato Hospital.