A new Oklahoma law bans drivers and passengers from smoking or consuming marijuana in vehicles, expanding impaired-driving ...

Oklahoma has expanded its impaired driving law to prohibit both drivers and passengers from consuming marijuana in a vehicle, including exposure to secondhand smoke.

CHICAGO -- A new survey from the AAA Foundation for Traffic Safety reveals statistics on drivers' perceptions of the dangers of driving high. Nationally, an estimated 14.8 million drivers report ...

More Maryland drivers smoked marijuana on the road or right before they drove after adult use was legalized in the state in ...

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 ...

For years now, U.S. police departments have employed officers who are trained to be experts in detecting "drugged driving." The problem is, however, that the methods those officers use are not based ...

AAA is out with a new survey that found more than half the cannabis users they talked to don't think the drug affects their driving. AAA surveyed 2,000 cannabis users across eight states regarding ...

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 ...

Ohio lawmakers are moving forward with a proposal to raise the state’s legal THC limit for drivers, a change supporters say could help prevent unfair OVI charges for ...