DOT Sets Annual Minimum Random Drug and Alcohol Testing Rates for 2025

Why This Story Matters:

In January 2025, the U.S. Department of Transportation (DOT) – which oversees America’s transportation system – set the DOT Random Drug and Alcohol Testing Rates that outline the annual minimum drug and alcohol random testing rates established within DOT Agencies for 2025. Employers using DOT drug and alcohol testing need to know these rates.

DOT Sets Annual Minimum Random Drug and Alcohol Testing Rates for 2025

In January 2025, the U.S. Department of Transportation (DOT) – which oversees the transportation system in the United States – set the DOT Random Drug and Alcohol Testing Rates that outline the annual minimum drug and alcohol random testing rates established within DOT Agencies for 2025. The rates are available at www.transportation.gov/odapc/random-testing-rates.

• Federal Aviation Administration (FAA):
  • 2025 Random Drug Testing Rate: 25%
  • 2025 Random Alcohol Testing Rate: 10%
  • 2025 Random Rate Federal Register Notice
• Federal Motor Carrier Safety Administration (FMCSA):
  • 2025 Random Drug Testing Rate: 50%
  • 2025 Random Alcohol Testing Rate: 10%
  • The random rates did not change for 2025. 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):
  • 2025 Random Drug Testing Rate – Covered Service: 25% 
  • 2025 Random Alcohol Testing Rate – Covered Service: 10% 
  • 2025 Random Drug Testing Rate – Maintenance of Way: 25% 
  • 2025 Random Alcohol Testing Rate – Maintenance of Way: 10% 
  • 2025 Random Drug Testing Rate – Mechanical: 50% 
  • 2025 Random Alcohol Testing Rate – Mechanical: 25% 
  • 2025 Random Rate Federal Register Notice
• Federal Transit Administration (FTA):
  • 2025 Random Drug Testing Rate: 50%
  • 2025 Random Alcohol Testing Rate: 10%
  • 2025 Random Rate Federal Register Notice
• Pipeline and Hazardous Materials Safety Administration (PHMSA):
  • 2025 Random Drug Testing Rate: 50%
  • 2025 Random Alcohol Testing Rate: N/A
  • 2025 Random Rate Federal Register Notice

Employers 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 Offers Drug and Alcohol Testing Solutions 

ClearStar – a global workforce screening provider that specializes in background checks, drug and alcohol testing, and occupational health services – offers employers a technology-driven process for managing and maintaining an effective Drug and Alcohol Screening Program. In addition to providing testing at over 20,000 locations in the United States, ClearStar offers:

• Single candidate invite for all services via text or email
• Electronic Custody and Control Form (eCCF) available for drug and clinical tests
• Mobile wallet pass with built-in reminders available
• Real-time collection status updates
• In-house Medical Review Officer (MRO) provides doctor-reviewed results via email, fax, web, or XML
• Full integration with most Applicant Tracking Systems (ATSs)

ClearStar knows a drug-free workplace can improve safety, reduce injuries, lower costs, increase productivity, and deter employees from using drugs at work. To help employers comply with drug testing laws nationwide, ClearStar offers Drug Screening Compliance Packages, a Marijuana Legality Interactive Map, and a State Drug Testing Laws Interactive Map.

ClearStar Offers Transportation Screening Solutions 

ClearStar also offers comprehensive and compliant Transportation Screening solutions for DOT-regulated employers in the transportation industry. Specifically, ClearStar can help employers in the transportation industry make informed hiring decisions for workers by providing a full suite of Transportation Screening services that include the following:

• Background Checks
• Drug/Clinical Tests
• Physicals
• Reasonable Suspicion Testing
• Post-Accident Testing
• Full FMCSA support including Drug and Alcohol Clearinghouse.

Transportation is a highly regulated and competitive industry. In order to stay competitive and compliant, employers in the Transportation industry need to partner with the best available background screening provider to help them hire the right people. To learn more about quality Drug and Alcohol Testing and Transportation Screening solutions, contact ClearStar.

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Thomas Ahearn - Digital Content Editor

Thomas Ahearn is a Digital Content Editor at ClearStar, a leading Human Resources technology company specializing in background checks, drug testing, and occupational health screening. He writes about a variety of topics in the background screening industry including Artificial Intelligence (AI), "Ban the Box," class action lawsuits, credit reports, criminal records, drug testing, Equal Employment Opportunity Commission (EEOC), Fair Credit Reporting Act (FCRA), identity theft, privacy, social media screening, and workplace violence.

At ClearStar, we are committed to your success. An important part of your employment screening program involves compliance with various laws and regulations, which is why we are providing information regarding screening requirements in certain countries, region, etc. While we are happy to provide you with this information, it is your responsibility to comply with applicable laws and to understand how such information pertains to your employment screening program. The foregoing information is not offered as legal advice but is instead offered for informational purposes. ClearStar is not a law firm and does not offer legal advice and this communication does not form an attorney client relationship. The foregoing information is therefore not intended as a substitute for the legal advice of a lawyer knowledgeable of the user’s individual circumstances or to provide legal advice. ClearStar makes no assurances regarding the accuracy, completeness, or utility of the information contained in this publication. Legislative, regulatory and case law developments regularly impact on general research and this area is evolving rapidly. ClearStar expressly disclaim any warranties or responsibility or damages associated with or arising out of the information provided herein.