Legal weed, impaired driving, and road safety — Colorado and Washington offer experience to other US States
Does Legal Marijuana Mean More Impaired Drivers?
— Times of San Diego, August 5, 2017
Does Legal Marijuana Mean More Impaired Drivers?
— Times of San Diego, August 5, 2017
A test for marijuana impairment? A UMass prof has an app for that
— The Boston Globe, November 20, 2016