Random Testing Rates
2025 DOT Random Testing Rates
|
DOT Agency
|
2025 Random Drug Testing Rate
|
2025 Random Alcohol Testing Rate
|
|---|---|---|
|
Federal Motor Carrier Safety Administration 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 |
25% |
10% |
|
Federal Railroad Administration |
25% - Covered Service |
10% - Covered Service |
|
25% - Maintenance of Way |
10% - Maintenance of Way |
|
|
50% - Mechanical |
25% - Mechanical |
|
|
Federal Transit Administration |
50% |
10% |
|
Pipeline & Hazardous Materials Safety Administration |
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.