B767 First Officer reports a runway incursion by a vehicle during the takeoff roll. Driver discovers his mistake and quickly exits the runway environment.

Report 1 | Narrative: Cleared for takeoff. On takeoff roll ground vehicle entered protected runway area at high speed. Vehicle recognized incursion at last minute and exited runway. Had vehicle not stopped; good likelihood of high speed abort and/or collision.

Report 1 | Synopsis: B767 First Officer reports a runway incursion by a vehicle during the takeoff roll. Driver discovers his mistake and quickly exits the runway environment.