HALF-BAKED: Marijuana-related driving accidents increase in Colorado

Despite the pro-pot opinion pieces, marijuana-related car accidents are on the rise in Colorado. Heritage Foundation policy expert Cully Stimson debunks the pot proponents with nothing but hard, cold, facts.

Cully Stimson  --- commentary from The Daily Signal 

On Tuesday, the Washington Post published an op-ed by a pro-pot author Radley Balko headlined, “Since Marijuana Legalization, Highway Fatalities in Colorado Are at Near-Historic Lows.” The piece leaves the reader with the impression that legalizing marijuana may have something to do with traffic fatalities going down in Colorado. He does admit that the fatality figures “don’t suggest that pot had anything to do with” the lower numbers, but then says that if fatalities were going up, “supporters would be blaming it on legal marijuana.”

Let’s look at the relevant data, and let the reader draw his own conclusion. A published academic peer-reviewed study and another thorough study set to be released next Monday show:

  • An increase in marijuana-related traffic fatalities in Colorado since 2009
  • An increase in marijuana-related traffic fatalities in Colorado compared to non-“medical marijuana” states since 2009
  • Alcohol-related fatalities remained the same

In the spirit of full disclosure, I am strongly against the legalization of marijuana and have written and spoken about it hereherehere and here.

Balko’s op-ed is just the latest attempt to convince the public that marijuana legalization is good public policy – despite the fact that the data points to the opposite conclusion.

First, some background. Each state is required to submit traffic fatality data annually to the National Highway Traffic Safety Administration (NHTSA) through NHTSAs Fatality Analysis Reporting System (FARS). The data, naturally, is compiled by each state.

The 2013 data from Colorado has not even been submitted to FARS, and will not be until late December 2014. The 2013 data is critical since it is the only data that reflects the impact of recreational legalization, since Colorado legalized marijuana in 2012.

The Washington Post op-ed analyzes fatality data from the Colorado Department of Transportation. But analyzing generic traffic fatalities in Colorado is, quite frankly, irrelevant. That is like concluding the jobs picture is improving when the unemployment rate goes down, yet failing to mention that the labor participation rate is at an all-time low.

Colorado traffic fatalities have gone down since 2007, but they went up in 2012. More to the point, Colorado traffic fatalities between 2007 and 2012 involving operators testing positive for marijuana use increased 100 percentover that period—from 39 in 2007 up to 78 in 2012.

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