"This risk is exacerbated by the fact that there is currently no proven, widely accepted standard to determine marijuana impairment at the roadside or before a driver begins operating a vehicle, ...

The U.S. Department of Transportation (DOT) is advising that all safety-sensitive workers must still comply with federal drug ...

From how the process actually works, to what it means for travel, drug testing, buying at dispensaries and more.

President Trump set the process in motion to ease federal restrictions on marijuana. But his order doesn't automatically ...

Potential military recruits and prospective officers soon may not need to worry about drug testing if they recently used marijuana. A provision included in the draft text of a must-pass defense policy ...

Positive marijuana tests push many drivers out of the industry, aggravating an existing recruiting and retention challenge. Education and messaging can help keep drivers up-to-date on DOT rules—but ...

Bus drivers, train engineers and pilots are all considered “safety-sensitive” transportation employees, and therefore subject to drug testing.

[Stay on top of transportation news: Get TTNews in your inbox.] The National Transportation Safety Board filed comments with the Drug Enforcement Administration expressing concerns that a proposed ...

Moving cannabis to a category of drugs that includes some common medicines will have implications for research, businesses ...

Three recalls tied to the same cannabis producer are raising questions about transparency and regulatory follow-through.

Wayne State University researchers will evaluate how cannabis treatments affect mood, mental health and overall well-being in ...