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DOT Drug Testing Agencies

As a result of the Omnibus Transportation Employee Testing Act of 1991, the following DOT Agencies established drug and alcohol testing regulations to ensure that aircraft, trains, trucks, and buses were operated in a safe and responsible manner.

The following chart lists each DOT Agency's drug and alcohol testing related information:

Federal Aviation Administration (FAA)

  • Aviation Safety and Operations
  • Certification of Airmen, Aircraft, and Airports
  • Commercial Space Transportation
  • Airport and Airway Fees and Charges
  • Requirements for Foreign Air Carriers Operating in the U.S. and U.S.-owned Aircraft Outside the U.S.

Federal Highway Administration (FHWA)

  • Federal-Aid Highway
  • Highways and Roads (e.g., Federal roads)

Federal Motor Carrier Safety Administration (FMCSA)

  • Motor Carrier and Bus Safety
  • Motor Carrier Operations
  • Motor Carrier Equipment
  • Commercial Drivers License
  • Hours of Service
  • Grants

Federal Railroad Administration (FRA)

  • Railroad Equipment
  • Railroad Operations
  • Railroad Financial Assistance
  • Engineer Qualifications/Certification
  • Railroad Workplace Safety

Federal Transit Administration (FTA)

  • Financial Assistance
  • Safety

Maritime Administration (MARAD)

  • Financial Assistance
  • Cargo Preference

National Highway Traffic Safety Administration (NHTSA)

  • Vehicle Safety
  • Fuel Economy
  • Highway Safety Programs (e.g., Age 21/drinking)
  • Consumer Information (e.g., Uniform Tire Quality Grading Standards)

Office of the Secretary (OST)

  • Conflict of Interest
  • Public Availability (FOIA)
  • Privacy Act
  • Transportation of the Disabled
  • Disadvantaged/Women Business Enterprises
  • Aviation Economic, Consumer and Antitrust
  • Procurement
  • Time Act
  • Alcohol and Drug Testing
  • Seismic Standards
  • Airline Tariffs
  • Federal Advisory Committees
  • Passenger Manifest
  • Transportation Infrastructure Finance and Innovation Act of 1998 Credit Assistance Programs
  • Delegations

Pipeline and Hazardous Material Safety Administration (PHMSA)

  • Hazardous Materials
  • Pipeline Safety

Research and Innovative Technology Administration (RITA)

  • Airline Statistics
  • Motor Carrier Statistics
  • University Transportation Grants

Saint Lawrence Seaway Development Corporation (SLSDC)

  • Tolls
  • Seaway Operations

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