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 ...

Virginia has a new program aimed at teaching drivers about the penalties and risks of driving under the influence of cannabis ...

A study published in the Journal JAMA Psychiatry on Jan. 26, found that some regular cannabis users may be driving more impaired and for longer than they may think. "Participants’ increasing ...

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 ...

COLUMBUS, Ohio — The Ohio Traffic Safety Office is working to expand a program aimed at educating high school students about how marijuana affects developing brains and the risks of driving under the ...

Add Yahoo as a preferred source to see more of our stories on Google. SPRINGFIELD, Ill. (WCIA) — The Illinois Sheriffs’ Association (ISA) has launched a new education initiative aimed at addressing a ...

SYRACUSE, N.Y. — As Thanksgiving approaches, law enforcement is intensifying efforts to curb impaired driving, with a particular focus on those under the influence of marijuana. David Olney, police ...

A bill is pending in the General Assembly that would prevent officers from considering smell as a determination of impairment.

A New Jersey man admitted he was driving under the influence of marijuana when he caused a triple-fatal crash in Pennsylvania that killed a New York couple and their teenage daughter nearly four years ...