NHTSA study:stoned driving

New NHTSA study says risk of stoned driving similar to sober drivers, and much less risky than drunk driving:



http://ift.tt/1yc8jq5



file:///home/chronos/u-b67d81e5d86421c1eab38790df7f2a734d72bad7/Downloads/812117-Drug_and_Alcohol_Crash_Risk.pdf

NHTSA study:stoned driving