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Urgent Advocacy Regarding Marijuana Rescheduling to Protect Transportation Safety
To, The Honorable Donald J. Trump President of the United States The White House 1600 Pennsylvania Avenue NW Washington, DC 20500 Dear President Trump, As the owner of a company that conducts employee drug [...]
Does a DOT Drug or Alcohol Violation Bar a Driver From Operating Any CMV?
In his July 2025 article in NDASA’s newsletter, Tim Thoelecke (CSAPA, InOut Labs) addresses a common question within the drug-and-alcohol testing industry: If a driver fails a DOT-regulated drug or alcohol test, is he or [...]
Who Needs a CDL? A Guide to Commercial Driver’s Licenses
What is a CDL and Who Needs It? Since 1992, the U.S. Department of Transportation has required certain commercial drivers to carry a Commercial Driver’s License (CDL). A CDL applies to drivers who: Drive [...]









