DOT drug testing is required for safety-sensitive employees working under federal transportation regulations. Employers regulated by the Department of Transportation must conduct drug and alcohol testing according to strict federal procedures.
DOT testing programs include required testing situations such as pre-employment, random, post-accident, reasonable suspicion, return-to-duties, and follow-up testing.
DOT Agencies That Require Testing
Federal Motor Carrier Safety Administration (FMCSA
Federal Aviation Administration (FAA)
Federal Railroad Administration (FRA)
Federal Transit Administration (FTA)
Pipeline and Hazardous Materials Safety Administration (PHMSA)
United States Coast Guard (USCG)
Workplace Testing Situations
Pre-Employment Testing
Testing conducted before hiring new employees to ensure compliance with workplace drug-free policies
Random Employee Testing
Unannounced testing used to maintain workplace compliance
Post-Accident Testing
Rapid-response testing following workplace incidents
Reasonable Suspicion Testing
Testing conducted when there is reasonable suspicion of substance abuse
