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Current Random Testing Rates

2020 DOT Random Testing Rates

The following chart outlines the annual minimum drug and alcohol random testing rates
established within DOT Agencies and the USCG for 2020.
DOT Agency
2020 Random Drug Testing Rate
2020 Random Alcohol Testing Rate

Federal Motor Carrier Safety Administration
[FMCSA]

2020 Random Rate Federal Register Notice

50%

10%

Federal Aviation Administration
[FAA]

2020 Random Rate Federal Register Notice

25%

10%

Federal Railroad Administration
[FRA]

2020 Random Rate Federal Register Notice

25% - Covered Service

10% - Covered Service

50% - Maintenance of Way *

25% - Maintenance of Way *

Federal Transit Administration
[FTA]

2020 Random Rate Federal Register Notice

50%

10%

Pipeline & Hazardous Materials Safety Administration
[PHMSA]

2020 Random Rate Federal Register Notice

50%

N/A

United States Coast Guard

[USCG]

2020 Random Rate Federal Register Notice

(with the Dept. of Homeland Security)

50%

N/A

“*”:  Random testing began on 06/12/2017 - For more info see e-CFR 

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.

Updated: Tuesday, January 28, 2020
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