16 States with Legal Medical Marijuana See an Average 9 Percent Drop in Traffic Deaths

Pot predicament: Can marijuana use actually save lives on the road?

Kathryn Hawkins

Proponents of legalizing marijuana have long argued that criminalization of the drug causes more problems than it solves. For instance, taxpayers spend between $7.5 billion and $10 billion a year on arresting and prosecuting Americans for marijuana-related crimes. Supporters of legalized marijuana maintain that this money would be better spent cracking down on violent criminals.

Now, pro-legalization backers have yet another point in their favor: According to a new study from the University of Colorado-Denver, the 16 states that have legalized medical marijuana have seen an average 9 percent drop in traffic deaths since their medical marijuana laws took effect. The study analyzed data from 1990 through 2009.

“We went into our research expecting the opposite effect,” says study co-author Daniel Rees, a professor of economics at the University of Colorado-Denver. “We thought medical marijuana legalization would increase traffic fatalities. We were stunned by the results.”

When it comes to traffic safety, can marijuana really save lives?

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