I notice you're a big "throw an unsubstantiated claim out there and run" kinda guy.
I notice you must be stoned.
REFERENCE: W. Hindrik and J. Robbe and J. O’Hanlon. 1993. Marijuana and actual driving performance. Washington, DC: US Department of Transportation National Highway Traffic Safety Administration, Report No. DOT HS 808 078.
REFERENCE: H. Robbe. 1995. Marijuana’s effects on actual driving performance. In: C. Kloeden and A. McLean (Eds) Alcohol, Drugs and Traffic Safety T-95. Adelaide: Australia: HHMRC Road Research Unit, University of Adelaide. Pp. 11-20.
REFERENCE: B. Sexton et al. 2000. The influence of cannabis on driving: A report prepared for the UK Department of the Environment, Transport and the Regions (Road Safety Division). Crowthorne, Berks: TRL Limited.