Employees of The Department of Transportation are responsible for transporting people and operating dangerous machinery-so it's important to make sure any DOT department is drug- and alcohol-free. DOT drug and alcohol testing is needed for anyone who works for:

• The Federal Motor Carrier Safety Administration, including anyone with a commercial driver's license..
• The Federal Aviation Administration, including flight crews, flight attendants and aircraft dispatchers.
• The United States Coast Guard, including crew members operating a commercial vessel.
• The Pipeline and Hazardous Materials Safety Administration, including operations, emergency response and maintenance workers.
• The Federal Railroad Administration, including engine and train workers, signal service workers and train dispatchers.
• The Federal Transit Administration, including vehicle operators, controllers, mechanics and armed security.