Reducing Impaired Driving Fatalities: Data Need to Drive Testing, Enforcement, and Policy

6/22/20–The 2 studies evaluating the association of recreational cannabis laws with motor vehicle crash deaths by Santaella-Tenorio et al and Kamer et al in this issue of JAMA Internal Medicine contribute to an emerging body of research necessary to inform policy on cannabis and impaired driving. Both studies use natural experiments in policy implementation to provide a high-level perspective of how legalization of recreational cannabis use may affect motor vehicle crash deaths in the population. Read