President Trump’s Executive Order on rescheduling marijuana caps a year of major cannabis law changes. Learn how employers ...

"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, ...

With the impending rescheduling of marijuana in the U.S., the transportation industry is searching for answers on whether it ...

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.

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 ...

This holiday season, police departments across the country will repeat their laudable annual efforts to deter drunken driving. Yet more than a decade after states began legalizing recreational ...

INDIANAPOLIS — Marijuana, and the tetrahydrocannabinol (THC) levels that make someone feel high, is legal for recreational purposes in three of Indiana’s four neighboring states. But figuring out when ...

The NFL and the league's players' union agreed to modify their substance abuse policy, increasing the THC level for a positive test, according to a memo that was sent to agents and players on ...

Indiana doesn’t currently have a method for testing if someone is too high to drive, but a bill proposes setting the bar at 5 nanograms. Stock photo by Ivan Balvan/Getty Images Marijuana, and the ...