Changes in Traffic Crash Rates After Legalization of Marijuana: Results by Crash Severity Posted on July 21, 2022July 21, 2022 By sdargoltz Charles M. Farmer, Ph.D., Samuel S. Monfort, Ph.D., & Amber N. Woods, Ph.D. J Stud Alcohol Drugs; 83(4); 2022 Access article Cannabis and Cannabinoids, Chemistry, Crime Scene Investigation and Reconstruction, DREs / Traffic Safety Resource Prosecutors, Forensic Pathology and Medicolegal Death Investigation, Seized Drugs/Controlled Substances, Toxicology