posted 30/04/2018
publication Emerging Issues With Poly-Drug Use on Washington Roadways
This report provides select updated fatal crash information originally presented in Washington Traffic Safety Commission’s report Driver Toxicology Testing and the Involvement of Marijuana in Fatal Crashes, 2010-20141 (October 2015). Since that report was published, poly-drug drivers involved in fatal crashes have increased significantly and is described more thoroughly in the present report. For the first time, this report also includes compilations of analyses of Washington’s Roadside Self-Report Marijuana Survey, and questions from the Behavioral Risk Factor Surveillance and Healthy Youth Surveys. The following is a summary of key observations from these various data sources.