- AAA Foundation for Traffic Safety?s Overview of Major Issues Regarding the Impacts of Alcohol and Marijuana on Driving (2016)
- Michigan Office of Highway Safety Planning's Drugged Driving Focus Group (2017)
- Michigan Traffic Crash Facts Cannabinoid Drug Profile (2017)
- National Institute of Health's Marijuana-Using Drivers, Alcohol-Using drivers and Their Passengers: Prevalence and Risk Factors Among Underage College Students (2015)
- National Highway Traffic Safety Administration's Marijuana-Impaired Driving: A Report to Congress (2017)
- National Highway Traffic Safety Administration's Results of the 2013-2014 National Roadside Survey of Alcohol and Drug Use by Drivers
- Governors Highway Safety Association's Drug Impaired Driving Report (2018)
Michigan State Police
