The Department of Transportation’s operating agencies have announced their random drug and alcohol testing rates for 2021.  The random test rates did not change for 2021.


Agency 2021 Random Drug Testing Rate 2021 Random Alcohol Testing Rate

Federal Aviation Administration


25% 10%

Federal Motor Carrier Administration


50% 10%

Federal Railway Administration


25%  covered service 10%  covered service
Federal Railway Administration 50% maintenance-of-way 25% maintenance-of-way

Federal Transit Administration


50% 10%

Pipeline and Hazardous Materials Safety Administration


50% N/A

United States Coast Guard


50% N/A