Impaired Driving

A compilation of accurate, science-based information that addresses the public health and safety impacts of marijuana in our community.

Cannabis Effects on Driving Skills
Source: American Association for Clinical Chemistry.

Does Marijuana use affect driving?
National Institute on Drug Abuse.

Marijuana, Other Drugs, and Alcohol use by Drivers in Washington State
National Highway Traffic Safety Administration.

Cannabis Use among Drivers Suspected of Driving Under the Influence or Involved in Collisions: Analysis of Washington State Patrol Data
Source: AAA Foundation for Traffic Safety.

An Evaluation of Data from Drivers Arrested for Driving Under the Influence in Relation to Per Se Limits for Cannabis
Source: AAA Foundation for Traffic Safety.

Driving Under the Influence of Alcohol and Marijuana: Beliefs and Behaviors, United States, 2013-2015
Source: AAA Foundation for Traffic Safety.