Department of Transportation Sets Minimum 2024 Random Drug and Alcohol Testing Rates

Effective on January 1, 2024, the U.S. Department of Transportation (DOT) – a United States government agency that oversees America’s transportation system – has set the 2024 DOT Random Drug and Alcohol Testing Rates that outline the annual minimum drug and alcohol random testing rates established within DOT Agencies for 2024. Here are the rates:

• Federal Aviation Administration (FAA):
  • 2024 Random Drug Testing Rate: 25%
  • 2024 Random Alcohol Testing Rate: 10%
  • 2024 Random Rate Federal Register Notice
  • 2024 Federal Register Notice – Correction
• Federal Motor Carrier Safety Administration (FMCSA):
  • 2024 Random Drug Testing Rate: 50%
  • 2024 Random Alcohol Testing Rate: 10%
  • The random rates did not change for 2024. Because the random rates did not change, FMCSA is not required to publish a notice in the Federal Register. The rate last changed in 2020.
• Federal Railroad Administration (FRA):
  • 2024 Random Drug Testing Rate: 25% – Covered Service
  • 2024 Random Alcohol Testing Rate: 10% – Covered Service
  • 2024 Random Drug Testing Rate: 25% – Maintenance of Way
  • 2024 Random Alcohol Testing Rate: 10% – Maintenance of Way
  • 2024 Random Drug Testing Rate: 50% – Mechanical
  • 2024 Random Alcohol Testing Rate: 25% – Mechanical
  • 2024 Random Rate Federal Register Notice
• Federal Transit Administration (FTA):
  • 2024 Random Drug Testing Rate: 50%
  • 2024 Random Alcohol Testing Rate: 10%
  • 2024 Random Rate Federal Register Notice
• Pipeline and Hazardous Materials Safety Administration (PHMSA):
  • 2024 Random Drug Testing Rate: 25%
  • 2024 Random Alcohol Testing Rate: N/A
  • 2024 Random Rate Federal Register Notice

Employers (and C/TPAs) subject to more than one DOT Agency drug and alcohol testing rule may continue to combine covered employees into a single random selection pool. United States Coast Guard (USCG) covered employees may be combined with DOT covered employees in drug testing pools even though the USCG is part of the Department of Homeland Security (DHS). ClearStar is a Human Resources technology company specializing in background checks, drug testing, and occupational health screening. ClearStar offers Drug Screening Compliance Packages, a Marijuana Legality Interactive Map, and a State Drug Testing Laws Interactive Map to help employers comply with drug testing laws. To learn more, contact ClearStar. © 2024 ClearStar. All rights reserved. – Making copies of or using any part of the ClearStar website for any purpose is prohibited unless written authorization is first obtained from ClearStar. ClearStar does not provide or offer legal services or legal advice of any kind or nature. Any information on this website is for educational purposes only.

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