DOT Alcohol Test


Accurate & Compliant DOT Alcohol Testing Nationwide

DOT Alcohol Testing is required for safety-sensitive employees in transportation industries, including trucking, aviation, rail, and maritime. At Workplace Screening Intelligence, we provide fast, accurate, and fully compliant alcohol testing to help your company meet federal DOT guidelines.

With over 20,000+ testing sites nationwide, your employees are never far from a certified alcohol testing location.


Our DOT Alcohol Testing Services Include:

  • Post-Accident Alcohol Testing
  • Reasonable Suspicion Testing
  • Random Alcohol Testing
  • Return-to-Duty & Follow-Up Testing
  • Supervisor Alcohol Awareness Training
  • DER and Compliance Support
Commercial Truck and Passenger Vehicle Driving on Highway – Transportation Safety and Fleet Compliance

Features & Benefits:

Certified Breath Alcohol Technicians (BATs)

Every test is conducted by certified professionals using DOT-approved equipment.

Same-Day Results

Most results are available instantly, allowing you to make timely and safe hiring or return-to-duty decisions.

Secure Remote Alcohol Testing

Available for mobile or remote workforces—testing brought to your employee.

Regulatory Expertise

Stay compliant with DOT’s 49 CFR Part 40 regulations. We help you avoid costly fines and violations.

Training & Policy Assistance

We offer supervisor training and policy development services to ensure you’re always audit-ready.


Why DOT Alcohol Testing Matters

Failing to test or testing incorrectly can result in serious penalties. Workplace Screening Intelligence ensures that every test follows DOT’s chain-of-custody and documentation requirements, giving you peace of mind and proof of compliance.


Real Customer Feedback:

⭐️⭐️⭐️⭐️⭐️ “Fast, professional, and extremely convenient. We use WSI for all our DOT alcohol and drug testing needs.” – Helen L.

⭐️⭐️⭐️⭐️⭐️ “The team helped us prepare for our audit and answered every compliance question we had.” – Robert F.


Let Workplace Screening Intelligence simplify your DOT Alcohol Testing process.

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