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U.S. Department of Transportation U.S. Department of Transportation Icon United States Department of Transportation United States Department of Transportation

Drug & Alcohol Testing

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Drug & Alcohol Testing
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Overview of Drug and Alcohol Rules

The United States Congress recognized the need for a drug and alcohol free transportation industry, and in 1991 passed the Omnibus Transportation Employee Testing Act, requiring DOT agencies to implement drug and alcohol testing of safety-sensitive transportation employees. 49 CFR Part 40,...

Drug & Alcohol Testing Program

Who's Impacted?

  • Anyone employing CDL drivers to operate commercial motor vehicles (CMVs) on public roads
  • CDL drivers who operate CMVs on public roads
  • Interstate motor carriers
  • Intrastate motor carriers
  • Federal, State, and local governments
  • Civic organizations (disabled veteran transport, boy/girl scouts, etc.)
  • Faith-based organizations

Resources for Drivers*