1. Asbridge, M., Hayden, J. A., & Cartwright, J. L. (2012). Acute cannabis consumption and motor vehicle collision risk: systematic review of observational studies and meta-analysis. BMJ, 344, e536.
2. Beirness D.J., Porath-Waller A.J. (2017). Clearing the smoke on cannabis: cannabis use and driving –an update. Canadian Centre on Substance Use and Available online at:
http://www.ccsa.ca/Resource%20Library/CCSA-Cannabis-Use-Driving-Report-2017-en.pdf
Last accessed 22 July 2018.
3. Colorado Department of Transportation. Drugged driving statistics. Available online at:
https://www.codot.gov/safety/alcohol-and-impaired-driving/druggeddriving/safety/alcohol-and-impaired-driving/druggeddriving/statistics
Last accessed 22 July 2018.
4. Committee on Substance Abuse, Committee on Adolescence. (2015). The impact of marijuana policies on youth: clinical, research, and legal update. Pediatrics, 135(3), 584–587.
5. Compton, R. (2017). Marijuana-impaired driving–a report to congress. (DOT HS 812 440). Washington, DC: National Highway Traffic Safety Administration. Available online at:
https://www.nhtsa.gov/sites/nhtsa.dot.gov/files/documents/812440-marijuana-impaired-driving-report-to-congress.pdf
. Last accessed 22 July 2018.