Researchers studying six years of highway fatalities in one Ohio county found more than 40% of 246 autopsied drivers tested positive for cannabis. Their findings, presented to the American College of ...

Federal transportation officials are rolling out a public education campaign aimed at encouraging people not to drive under ...

WASHINGTON (AP) – Six states that allow marijuana use legal tests to determine driving while impaired by the drug that have no scientific basis, according to a study by the nation’s largest automobile ...

Ahead of April 20, known as 4/20, the North Dakota Department of Transportation (NDDOT) and Vision Zero are reminding drivers ...

A Texas teenager was sentenced to 65 years in prison for a crash that killed six people while he was under the influence of marijuana. Florida has strict DUI laws for marijuana, with penalties ...