Reply #194: Since some folks think this is all made up, here's a short list of studies...

[HuckleB]

They're not hard to find, so I'm not sure why some people would pretend they don't exist. And, no, I'm not tracking down every study ever. That's not the point. The point is to cut the crap.

Dose related risk of motor vehicle crashes after cannabis use
http://www.sciencedirect.com/science/article/pii/S0376871603002849

Cannabis intoxication and fatal road crashes in France: population based case-control study
http://www.bmj.com/content/331/7529/1371.abstract

Developing limits for driving under cannabis
http://onlinelibrary.wiley.com/doi/10.1111/j.1360-0443.2007.02009.x/full

Pharmacology and effects of cannabis: a brief review
http://bjp.rcpsych.org/content/178/2/101.full?ijkey=9btUkNGEbPKfI

Is driving under the influence of cannabis becoming a greater risk to driver safety than drink driving? Findings from a longitudinal study
http://www.sciencedirect.com/science/article/pii/S0001457508000262

The Effect of Cannabis Compared with Alcohol on Driving
http://onlinelibrary.wiley.com/doi/10.1080/10550490902786934/full

The Impact of Cannabis on Driving
http://weedposts.com/wp-content/uploads/2011/05/808-808-1-PB.pdf