Random Testing Rates
2025 DOT Random Testing Rates
ODAPC’s web page https://www.transportation.gov/odapc/random-testing-rates has been updated to reflect the CY 2025 random drug and alcohol testing rates.
Please note, the PHMSA annual random drug testing rate will be 50% in 2025. For all other DOT Agencies, the 2025 annual random testing rates will remain the same as their 2024 rates.
| DOT Agency | 2025 Random Drug Testing Rate | 2025 Random Alcohol Testing Rate |
|---|---|---|
| Federal Motor Carrier Safety Administration [FMCSA]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. | 50% | 10% |
| Federal Aviation Administration [FAA]2025 Random Rate Federal Register Notice | 25% | 10% |
| Federal Railroad Administration [FRA]2025 Random Rate Federal Register Notice | 25% – Covered Service | 10% – Covered Service |
| 25% – Maintenance of Way | 10% – Maintenance of Way | |
| 50% – Mechanical | 25% – Mechanical | |
| Federal Transit Administration [FTA]2025 Random Rate Federal Register Notice | 50% | 10% |
| Pipeline & Hazardous Materials Safety Administration [PHMSA]2025 Random Rate Federal Register Notice | 50% | N/A |
NOTE: 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.
USCG covered employees may be combined with DOT covered employees in drug testing pools even though the USCG is now part of the Department of Homeland Security.
Last updated: Tuesday, January 7, 2025
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