Want to Lower Traffic Fatalities? Try Legalizing Medical Marijuana.

  • by Erik Altieri, NORML Communications Director November 29, 2011

    That’s at least according to a paper published today by University of Colorado Denver Professor Daniel Rees and Montana State University Assistant Professor D. Mark Anderson. The study looked at traffic fatalities nationwide for the years 1990-2009 to see if there was any correlation between highway fatalities and liberalized medical marijuana laws. They found that, in states that legalized the medicinal use of marijuana, both traffic fatalities and alcohol consumption declined.

    Study shows medical marijuana laws reduce traffic deaths
    Leads to lower consumption of alcohol

    DENVER (Nov. 29, 2011) – A groundbreaking new study shows that laws legalizing medical marijuana have resulted in a nearly nine percent drop in traffic deaths and a five percent reduction in beer sales.

    “Our research suggests that the legalization of medical marijuana reduces traffic fatalities through reducing alcohol consumption by young adults,” said Daniel Rees, professor of economics at the University of Colorado Denver who co-authored the study with D. Mark Anderson, assistant professor of economics at Montana State University.

    The researchers collected data from a variety of sources including the National Survey on Drug Use and Health, the Behavioral Risk Factor Surveillance System, and the Fatality Analysis Reporting System.

    The study is the first to examine the relationship between the legalization of medical marijuana and traffic deaths.

    “We were astounded by how little is known about the effects of legalizing medical marijuana,” Rees said. “We looked into traffic fatalities because there is good data, and the data allow us to test whether alcohol was a factor.”

    Anderson noted that traffic deaths are significant from a policy standpoint.

    “Traffic fatalities are an important outcome from a policy perspective because they represent the leading cause of death among Americans ages five to 34,” he said.

    The economists analyzed traffic fatalities nationwide, including the 13 states that legalized medical marijuana between 1990 and 2009. In those states, they found evidence that alcohol consumption by 20- through 29-year-olds went down, resulting in fewer deaths on the road.

    The economists noted that simulator studies conducted by previous researchers suggest that drivers under the influence of alcohol tend to underestimate how badly their skills are impaired. They drive faster and take more risks. In contrast, these studies show that drivers under the influence of marijuana tend to avoid risks. However, Rees and Anderson cautioned that legalization of medical marijuana may result in fewer traffic deaths because it’s typically used in private, while alcohol is often consumed at bars and restaurants.

    “I think this is a very timely study given all the medical marijuana laws being passed or under consideration,” Anderson said. “These policies have not been research-based thus far and our research shows some of the social effects of these laws. Our results suggest a direct link between marijuana and alcohol consumption.”

    The study also examined marijuana use in three states that legalized medical marijuana in the mid-2000s, Montana, Rhode Island, and Vermont. Marijuana use by adults increased after legalization in Montana and Rhode Island, but not in Vermont. There was no evidence that marijuana use by minors increased.

    “Although we make no policy recommendations, it certainly appears as though medical marijuana laws are making our highways safer,” Rees said.

    Read the full press release here.

    So, it seems those prohibitionist claims about high bus drivers crashing into buildings and stoned motorists wrecking havoc on our highways now slip even further into the realm of fantasy. Though perhaps that 5% reduction in alcohol consumption explains why the California Beer and Beverage Distributors Association found it necessary to contribute $10,000 last year to oppose Proposition 19.

    52 Responses to “Want to Lower Traffic Fatalities? Try Legalizing Medical Marijuana.”

    1. Brain of Rochester says:

      When you drink, you’re numb to the world. When you’re high, you’re one with the world.

    2. cj says:

      What ailment is the Gov. going to come up with now to top that? The alcohol lobbiests are going to go nuts with the Christmas gifts this year for OUR congress members.

    3. Brandon says:

      Omg, I would LOVE to see Kerlikowske’s reaction to this! Driving people to drink… LITERALLY. By encouraging students and young adults to drink we are CAUSING SIGNIFICANT DEATH.

    4. Brandon says:

      Marijuana prohibition is clearly, without a doubt in my mind, modern day CONSPIRACY THEORY. The government supports the death of teens.

    5. Brandon says:

      Not only does marijuana NOT contribute to toxic overdose deaths, but by diverting individuals to use it as a terminus vs. alcohol we are REDUCING DEATH by USING MARIJUANA. We should be encouraging young adults to consume marijuana OVER alcohol. See if the NIDA ever sponsors ‘that’ idea.

    6. exsmoker says:

      yaah good luck proving this to congressional members. these guzzle drinking pigs will never accept this statement, not in a million years!

    7. Mary Jane's brother Marty says:

      Just to be clear, this can be read that by consuming cannabis, as a terminus to booze, we are REDUCING death. Yes, smoke pot and help SAVE lives!!!

    8. Son of Sam Walton says:

      They say marijuana plastics from the obvious oil –I mean –marijuana plant creates plastics stronger than petrol plastics . . . how many fewer fatalities would there be if we had stronger vehicles made out of the marijuana plant –at least that’s what Ford was growing and working on before Anslinger came around.

    9. bob says:

      Sounds like bad news for our government’s population control program.

    10. Chris P. says:

      Unreleated but SUSA out with new poll in Washington state showing legalization up 57-35! Huzzah!

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