Marijuana Legalization and Traffic Safety

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The threat to public safety on our roadways posed by marijuana-impaired driving is quickly becoming a major concern partially due to the legalization of marijuana as well as by the legalization of medical marijuana in many states. This page will serve as a clearinghouse of resources to help guide law enforcement as they deal with marijuana legalization issues as they pertain to traffic safety. 



Marijuana Legalization and Traffic Safety


Supporting the Collection and Reporting of Data on THC Extraction Laboratories to the Drug Enforcement Administration (2014)

Opposition to the Legalization of Marijuana by States for “Recreational” Purposes (2013)

Combating the Dramatic Increase in Drug-Impaired Driving Offenses (2012)

Support for Drug Impaired Driving Legislation, Research and Training (2011)

Increased Use of Drug Recognition Experts (2008)

A Renewed Effort to Eliminate Alcohol and Drug Impaired Driving (2006)


Joint Law Enforcement Letter on Response to DOJ Marijuana Decision


Measuring the Impact of Marijuana Legalization with the Washington Roadside Survey of Driver Drug and Alcohol Use

Rising Concerns over Marijuana-Impaired Driving

Marijuana and Driving

IACP Efforts to Combat Legalization of Marijuana Continue

Drug Legalization: Why It Wouldn't Work in the United States

IACP Opposes California Marijuana Legalization Effort

Proposition 19: California’s Marijuana Legalization Debate