Bureau of Transportation Statistics (BTS) — Compiles, analyzes, and makes accessible information on the Nation's transportation systems.
Federal Aviation Administration (FAA) Rules and Guidelines
Office of Hazardous Materials Safety Regulations — Provides the text of the Hazardous Materials Regulations (49 CFR Parts 100 - 185).
Office of the Inspector General — Conducts audits and investigations to prevent fraud and abuse in Department of Transportation programs.
Saint Lawrence Seaway Development Corporation — Created by statute to construct, operate and maintain the U.S. part of the St. Lawrence Seaway between the Port of Montreal and Lake Erie.
U.S. Department of Transportation: Federal Highway Administration — Information about the office, its programs and services; includes links to press room, legislation and regulations, articles and The Transportation Equity Act for the 21st Century.
U.S. Department of Transportation: Federal Motor Carrier Safety Administration — Features links to safety programs, rules and regulations, and reports.
U.S. Department of Transportation: Federal Railroad Administration — Features regulations, orders, notices, legislation, policy studies, safety resources and more.
U.S. Department of Transportation: Federal Transit Administration
U.S. Department of Transportation: National Highway Traffic Safety Administration — Provides information about the office, its programs and services; includes links to CARS - Vehicle and Equipment Information, PEOPLE - Traffic Safety/Occupant Issues, What's Hot, and What's New.
U.S. Department of Transportation: Office of Hazardous Materials Safety — Includes FAQs, reports and documents, training information, risk management, and more.
U.S. Department of Transportation: Office of the Secretary
U.S. Department of Transportation: Surface Transportation Board — Independent adjudicatory body responsible for the economic regulation of interstate surface transportation.
U.S. Department of Transportation: United States Maritime Administration
United States Coast Guard