A small group of volunteers spent much of the last year getting drunk and stoned on marijuana furnished by the federal government before getting behind the wheel. The volunteers were part of what ...

Drug testing of drivers will be challenged in court and will be hard to enforce, attorneys and advocates say — while the ACLU vowed to fight such the legislation — though cops insist such measures are ...

Getting your Trinity Audio player ready... Ever taken a field sobriety test? Stoned driving has been a recurrent topic in Colorado s recreational marijuana era, from the continued debate about the ...

Police can use breathalyzers to catch drunken drivers. But they don’t have a great way of identifying stoned drivers. Scientists at UC San Diego are hoping to change that. California legislators have ...

With recreational cannabis legal in California, state leaders are taking another stab at letting law enforcement test the saliva of people suspected of driving under the influence of marijuana.

In a test that's never before been done in the state of Washington, KIRO TV in Seattle had volunteers smoke pot and then put them behind the wheel to show what stoned driving looks like and the danger ...

But the need for special master Joseph Lisa to re-do his report under the revised standard means the Supreme Court is unlikely to come up with a ruling in "Olenowski" until the fall, said defense ...

After wading into a controversy over New Jersey's technique for spotting stoned drivers, the Supreme Court has directed that the Daubert standard for evaluating expert testimony should replace the ...