DOT Drug Testing
Keeping drivers, workplaces, and communities safe.
What is DOT Drug Testing?
DOT (Department of Transportation) drug testing is federally regulated testing required for employees in safety-sensitive transportation jobs. This ensures drivers and workers are free from drugs and alcohol while on duty.
Industries that require DOT testing include:
Trucking (FMCSA)
Aviation (FAA)
Railroad (FRA)
Maritime (USCG)
Pipeline (PHMSA)
Public Transit (FTA)
Who Needs DOT Drug Testing?
Any employee in a safety-sensitive role regulated by the U.S. Department of Transportation, such as:
CDL drivers
Airline pilots & mechanics
Railroad workers
Ship captains & crew
Pipeline operators
Transit vehicle operators
When is DOT Drug Testing Required?
✔ Pre-Employment – before starting a safety-sensitive job
✔ Random Testing – unannounced, to ensure ongoing compliance
✔ Post-Accident – after qualifying workplace or road accidents
✔ Reasonable Suspicion – if supervisors suspect drug/alcohol use
✔ Return-to-Duty / Follow-Up – after policy violations or treatment
Substances DOT Tests For:
Marijuana (THC)
Cocaine
Opiates (including heroin)
Amphetamines / Methamphetamines
Phencyclidine (PCP)
How the Process Works
Schedule a test – Choose a convenient time and location.
Sample collection – A urine, saliva, or hair sample is collected discreetly.
Laboratory analysis – Samples are tested for common substances.
Results delivered – Fast, confidential, and easy-to-read reports.