The US Department of Transportation is headed by the Secretary of Transportation.
14. The Department of Agriculture, Department of Commerce, Department of Defense, Department of Education, Department of Energy, Department of Health and Human Services, Department of Housing and Urban Development, Department of the Interior, Department of Justice, Department of Labor, Department of State, Department of Transportation, Department of the Treasury, Department of Veterans Affairs
The US Department of Transportation is a government department, not a market monopoly
There are 15 departments of the US Executive Branch, each of which has a Secretary except the Department of Justice which is headed by the US Attorney General. The departments are : Department of Agriculture Department of Commerce Department of Defense Department of Education Department of Energy Department of Health and Human Services Department of Homeland Security Department of Housing and Urban Development Department of the Interior Department of Justice Department of Labor Department of State Department of Transportation Department of the Treasury Department of Veterans Affairs (For the functions of these departments, see the related link.)
The Transportation Security Administration (TSA) began as part of the Department of Transportation (DOT) but was moved to the Department of Homeland Security (DHS) when that department was created.
The US government has a cabinet-level Department of Transportation. However, most states also have their own Departments of Transportation.
The department of transportation
California Department of Transportation was created in 1895.
Arizona Department of Transportation was created in 1974.
Detroit Department of Transportation was created in 1922.
Pennsylvania Department of Transportation was created in 1970.
Oregon Department of Transportation was created in 1913.
The United States Department of Transportation was enacted by congress in 1966. The US Department of Transportation was an improvement to the roadways across the country.