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  2. Interstate Highway System - Wikipedia

    en.wikipedia.org/wiki/Interstate_Highway_System

    Interstate Highways and their rights-of-way are owned by the state in which they were built. The last federally owned portion of the Interstate System was the Woodrow Wilson Bridge on the Washington Capital Beltway. The new bridge was completed in 2009 and is collectively owned by Virginia and Maryland. [71]

  3. Numbered highways in the United States - Wikipedia

    en.wikipedia.org/wiki/Numbered_highways_in_the...

    In 1918, Wisconsin became the first state to number its highways in the field followed by Michigan the following year. [1] In 1926 the American Association of State Highway Officials (AASHO) established and numbered interstate routes (United States Numbered Highways), selecting the best roads in each state that could be connected to provide a national network of federal highways.

  4. Portal:U.S. roads/Intro - Wikipedia

    en.wikipedia.org/wiki/Portal:U.S._Roads/Intro

    The highway system of the United States is a network of interconnected state, U.S., and Interstate highways. Each of the fifty states, the District of Columbia, Puerto Rico, American Samoa, Guam, the Northern Mariana Islands, and the U.S. Virgin Islands own and maintain a part of this vast system, including U.S. and Interstate highways, which are not owned or maintained at the federal level.

  5. Portal:U.S. roads/IntroAFD - Wikipedia

    en.wikipedia.org/wiki/Portal:U.S._Roads/IntroAFD

    The highway system of the United States is a network of interconnected state, U.S., and Interstate highways. Each of the fifty states, the District of Columbia, Puerto Rico, American Samoa, Guam, and the U.S. Virgin Islands own and maintain their part of this vast system; including U.S. and Interstate highways, which are not owned and maintained at the federal level.

  6. Transportation in the United States - Wikipedia

    en.wikipedia.org/wiki/Transportation_in_the...

    Federally maintained roads are generally found only on federal lands (such as national parks) and at federal facilities (like military bases). The Interstate Highway System is partly funded by the federal government but owned and maintained by individual state governments.

  7. Portal:U.S. roads - Wikipedia

    en.wikipedia.org/wiki/Portal:U.S._Roads

    The highway system of the United States is a network of interconnected state, U.S., and Interstate highways. Each of the fifty states, the District of Columbia, Puerto Rico, American Samoa, Guam, the Northern Mariana Islands, and the U.S. Virgin Islands own and maintain a part of this vast system, including U.S. and Interstate highways, which are not owned or maintained at the federal level.

  8. United States Numbered Highway System - Wikipedia

    en.wikipedia.org/wiki/United_States_Numbered...

    [citation needed] The reverse happened with U.S. Route 57, originally a Texas state highway numbered to match Mexican Federal Highway 57. [9] In the 1950s, the numbering grid for the new Interstate Highway System was established as intentionally opposite from the US grid insofar as the direction the route numbers increase.

  9. Transportation policy of the United States - Wikipedia

    en.wikipedia.org/wiki/Transportation_policy_of...

    Interstate highways in the continental United States. Driving in the United States is overseen by the Federal Highway Administration. The federal government is responsible for the interstate highways, while most other roads are maintained by local and state governments. Road safety is a major concern in American transportation policy.