“Three years after recreational marijuana legalization, changes in motor vehicle crash fatality rates for Washington and Colorado were not statistically different from those in similar states without recreational marijuana legalization.”
- Aydelotte, Jayson D et al. “Crash Fatality Rates After Recreational Marijuana Legalization in Washington and Colorado.” American journal of public health vol. 107,8 (2017): 1329-1331 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5508149/
OK, thanks.