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 ...

A jury on Nov. 6 sentenced him to 65 years in prison in one of the harshest penalties ever for someone driving under the ...

Although no statistics are available specifically related to traffic stops and accidents due to marijuana use, the drug is anecdotally involved with most impaired driving cases. Lt. Chris Arnall is ...

The Department of Transportation (DOT) and the Ad Council are rolling out a new campaign to “challenge the dangerous belief ...

After a massive Texas case saw a 17-year-old driving high get 65 years in prison, here's what to know about Florida's laws ...

A New Jersey woman has been charged with driving under the influence of marijuana during a crash in Pennsylvania last year that killed her husband, authorities said Danielle M. Strobridge was charged ...

As marijuana use in the United States is on the rise, a growing number of drivers are getting behind the wheel high, while regulations and law enforcement agencies scramble to keep up with the danger.

ATLANTA — Across the United States, 24 states allow recreational use of marijuana and cannabis, while another 14 allow it for medical use only. AAA, the Auto Club Group, said that as the use of ...

As Thanksgiving approaches, law enforcement is intensifying efforts to curb impaired driving, with a particular focus on those under the influence of marijuana.

FORT SMITH -- While Arkansas State Police are warning drivers about operating their vehicles impaired this weekend, local officials said they don't expect any issues. The State Police released a ...