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Written by J. Sundberg

Just as you wouldn’t accept a ride home from a drunk driver, you wouldn’t get on a bus operated by a person high on marijuana. For that reason, public transit operators and other drivers overseen by the Department of Transportation are required to submit to random drug testing.

Because of an increase in drug test failures in 2018, this year, public transportation operators who fall under the scope of the Federal Transit Administration—public bus drivers, subway, light rail and monorail operators—can expect to be randomly tested for drug use twice as frequently as last year.

The FTA’s parent agency, the Department of Transportation, increased random drug testing rates from 25% in 2018 to 50% of all public transit workers starting January 2019.

In addition to the FTA, the US Coast Guard saw increases in the rate of random testing. This increase is standard practice for the DOT in response to rising rates of drug or alcohol test failure.

Find out if your rate of random drug or alcohol testing has increase, decreased or stayed this same this year:

2019 DOT Random Testing Rates

DOT Agency 2019 Random Drug Testing Rate 2019 Random Alcohol Testing Rate
Federal Motor Carrier Safety Administration
25% 10%
Federal Aviation Administration
25% 10%
Federal Railroad Administration
25% – Covered Service
50% – Maintenance of Way
10% – Covered Service
25% – Maintenance of Way
Federal Transit Administration
50% 10%
Pipeline & Hazardous Materials Safety Administration
50% N/A

United States Coast Guard


50% N/A

Source: Department of Transportation,

Advanced Urgent Care & Occupational Medicine serves Brighton, Northglenn and Fort Lupton, Colorado with efficient random drug and alcohol testing services. Get in touch with one of our Occupational Medicine Experts today to learn how we can help your company remain in compliance.