The following chart outlines the annual minimum drug and alcohol random testing rates
established within DOT Agencies for 2025.
| DOT Agency | 2025 Random Drug Testing Rate | 2025 Random Alcohol Testing Rate |
|---|---|---|
|
Federal Motor Carrier Safety Administration [FMCSA] |
50% | 10% |
|
Federal Aviation Administration [FAA] |
25% | 10% |
|
Federal Railroad Administration [FRA] |
25% - Covered Service | 10% - Covered Service |
| 25% - Maintenance of Way | 10% - Maintenance of Way | |
| 50% - Mechanical | 25% - Mechanical | |
|
Federal Transit Administration [FTA] |
50% | 10% |
|
Pipeline & Hazardous Materials Safety Administration [PHMSA] |
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.
This information was copied from a federal government resource. Always verify the accuracy of this information against the most recent version of the Code of Federal Regulations: https://www.ecfr.gov/current/title-49/subtitle-A/part-40 or the Office of Drug & Alcohol Policy & Compliance: https://www.transportation.gov/odapc.