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Transportation

Aviation, highways, rail, transit, pipelines, and the safety regulators for each.

Federal Motor Carrier Safety Administration
The Transportation Department agency that regulates the safety of interstate trucks, buses, and commercial drivers
Federal Railroad Administration
The Transportation Department agency that regulates railroad safety and funds intercity passenger rail
Federal Transit Administration
The Transportation Department agency that funds and oversees the safety of local bus, subway, light rail, and ferry systems
Great Lakes St. Lawrence Seaway Development Corporation
The Transportation Department corporation that operates the U.S. locks of the St. Lawrence Seaway linking the Great Lakes to the Atlantic
Maritime Administration
The Transportation Department agency that supports the U.S. merchant marine, shipbuilding, ports, and the sealift reserve fleet
National Highway Traffic Safety Administration
The Transportation Department agency that sets vehicle safety standards, orders recalls, and regulates fuel economy
Pipeline and Hazardous Materials Safety Administration
The Transportation Department agency that regulates oil and gas pipeline safety and the shipment of hazardous materials
The Department of Transportation
Aviation, highways, railroads, transit, shipping, pipelines, and the safety regulators for each
The Federal Aviation Administration
The agency that runs air traffic control, certifies every aircraft and pilot, and oversees 45,000 flights a day
The Federal Highway Administration
The agency that funds the interstates and the 1 million miles of federal-aid roads that states build and maintain