Marijuana and Driving: A Review of the Scientific Evidence

I would like to stress that all of the statements and facts presented here are supported by references, Most of which are from UK government studies and Universities across the world. Marijuana and Driving: A Review of the Scientific Evidence It is well established that alcohol increases accident risk. Evidence of marijuana's culpability in on-road driving accidents is much less convincing. Although cannabis intoxication has been shown to mildly impair psychomotor skills, this impairment does …

…had a responsibility rate below that of the drugfree drivers. ... While the difference was not statistically significant, there was no indication that cannabis by itself was a cause of fatal crashes. REFERENCE: K. Terhune. 1992. The incidence and role of drugs in fatally injured drivers. Washington, DC: US Department of Transportation National Highway Traffic Safety Administration, Report No. DOT HS 808 065. Additional information can be found at http://www.druglibrary.org/schaffer/Misc/driving/s1p2.htm