James Avery, 18, of Courtenay was in critical condition after a single-vehicle collision early Wednesday morning on Highway 19A near Hamm Road at Black Creek.
Around 7:30 a.m., a northbound white 1998 Geo Metro crossed the centreline and went off the road, said Comox Valley RCMP, adding that the driver was airlifted out of the Comox Valley.
There were no passengers in the vehicle.
The Comox Valley RCMP Traffic Unit along with the RCMP collision analyst section are working to determine the cause of the incident.
RCMP thanked the public for their patience as traffic had to be rerouted for most of the morning.
Anyone with information about the collision is asked to call Comox Valley RCMP at 250-338-1321.