Regulatory Responsibilities and Contacts

What Are You Looking For?

The following is a list of DOT's Operating Administrations and the Office of the Secretary (OST), their regulatory responsibilities, and their regulatory contacts. Click on the Operating Administration/OST names to be directed to their regulatory Web sites.

This information should help you identify the DOT agency that may issue regulations in your area of interest and the appropriate point of contact.

• Federal Aviation Administration (FAA)
• Federal Highway Administration (FHWA)
• Federal Motor Carrier Safety Administration (FMCSA)
• Federal Railroad Administration (FRA)
• Federal Transit Administration (FTA)
• Maritime Administration (MARAD)
• National Highway Traffic Safety Administration (NHTSA)
• Office of the Secretary of Transportation (OST)
• Pipeline and Hazardous Material Safety Administration (PHMSA)
• Saint Lawrence Seaway Development Corporation (SLSDC)

Federal Aviation Administration (FAA)

Regulatory Responsibilities

• 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 United States and U.S.-owned Aircraft Outside the United States

Regulatory Contact

Back to Top

Federal Highway Administration (FHWA)

Regulatory Responsibilities

• Federal-Aid Highways

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

Regulatory Contact

Back to Top

Federal Motor Carrier Safety Administration (FMCSA)

Regulatory Responsibilities

• Motor Carrier and Bus Safety

• Motor Carrier Operations

• Motor Carrier Equipment

• Commercial Drivers License

• Hours of Service

• Grants

Regulatory Contact

Back to Top

Federal Railroad Administration (FRA)

Regulatory Responsibilities

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

Regulatory Contact

Back to Top

Federal Transit Administration (FTA)

Regulatory Responsibilities

• Financial Assistance

• Safety

Regulatory Contact

Maritime Administration (MARAD)

Regulatory Responsibilities

• Financial Assistance

• Cargo Preference

Regulatory Contact

Back to Top

National Highway Traffic Safety Administration (NHTSA)

Regulatory Responsibilities

• Vehicle Safety

• Fuel Economy

• Highway Safety Programs (e.g., Age 21/drinking)

• Consumer Information (e.g., Uniform Tire Quality Grading Standards)

Regulatory Contact

Back to Top

Office of the Secretary of Transportation (OST)

Regulatory Responsibilities

• Conflict of Interest

• Freedom of Information

• Transportation of Americans with Disabilities

• Air Travelers with Disabilities

• Aviation Consumer Protection and Civil Rights

• Procurement

• Time Act

• Alcohol and Drug Testing

• Disadvantaged Business Enterprises

Regulatory Contact

Back to Top

Pipeline and Hazardous Material Safety Administration (PHMSA)

Regulatory Responsibilities

• Hazardous Materials

• Pipeline Safety

Regulatory Contact

Back to Top

Saint Lawrence Seaway Development Corporation (SLSDC)

Regulatory Responsibilities

• Tolls

• Seaway Operations

Regulatory Contact

Back to Top