Previous Presentations

Educating Enforcement and Industry - Captain Thomas Foster, Washington State Patrol, Commercial Division

This presentation focuses on the training and education for both enforcement and industry that has been necessary to address challenges posed by marijuana legalization in Washington State. 

Marijuana Impairment Impacts on Roadway Safety - Rebecca M. Brewster, President and COO, American Transportation Research Institute

This presentation identifies the important measures for addressing marijuana-impaired driving, including workplace screening programs conducted by industry, roadside detection by enforcement, and judicial training.

Traffic Safety Culture and DUIC: Exploring Commercial Drivers - Nicholas Ward, Director, Center for Health and Safety Culture

This presentation looks at the results of a driver survey focused on cannabis use behaviors and beliefs. When drivers' are willing to get behind a wheel while impaired by marijuana because they believe they can still drive safely, what can traffic safety stakeholders do to effectively intervene and shift these risk-prone attitudes to ones that center safety?

Decriminalization of Marijuana and Potential Impact on CMV Drivers - Darrin T. Grondel, Director, Washington Traffic Safety Commission

This presentation covers the signs, symptoms and risks of marijuana impairment, specific challenges in regulating and enforcing CMV driver impairment, and analysis of crash data in Washington State. Furthermore, this presentation includes strategies, including roadside enforcement, data collection and education, for combating impaired driving.