The Department of Transportation has issued guidance on drug and alcohol testing for federally regulated transportation workers, as fleets and commercial drivers may face challenges complying with ...

[Stay on top of transportation news: Get TTNews in your inbox.] U.S. Department of Transportation drug testing of truck drivers using oral fluid collections was approved more than a year ago, but a ...

The Department of Transportation is proposing to add new drug testing guidelines that would permit motor carriers to test truck drivers using oral fluid samples as an alternative to urine testing.

The Department of Transportation on Monday filed a Final Rule that will allow oral fluid as an authorized testing method for the presence of unlawful drugs. The 227-page final rule is scheduled for ...

The Department of Transportation is revising a requirement that it calls an “inadvertent factual impossibility” from its drug testing procedures. A provision from DOT’s 2023 oral fluid drug testing ...

Delta-9, the form of THC present in marijuana, continues to be the most frequently detected drug among transportation ...

It’s been a long time in the works, but the U.S. Department of Transportation has published a final rule that amends the federal regulated industry drug-testing program to include oral fluid specimen ...

Undercover Investigations by the Government Accountability Office (GAO) at collections sites for US Department of Transportation (DOT)-certified drug and alcohol test collection sites have found ...

It’s official. Today, December 18, 2025, President Donald Trump signed an Executive Order directing the Attorney General to “take all necessary steps to complete the rulemaking process related to ...

The Department of Transportation on Tuesday published a final rule that will allow oral fluid as an authorized testing method for the presence of unlawful drugs. The 227-page final rule will become ...