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  2. List of United States Numbered Highways - Wikipedia

    en.wikipedia.org/wiki/List_of_United_States...

    US 1. 2,369. 3,813. Fleming and Whitehead streets in Key West, FL. Route 161 at Canadian border in Fort Kent, ME. 01926-01-01. 1926. current. Follows the East Coast of the United States, longest north-south US Highway.

  3. United States Numbered Highway System - Wikipedia

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

    The United States Numbered Highway System (often called U.S. Routes or U.S. Highways) is an integrated network of roads and highways numbered within a nationwide grid in the contiguous United States. As the designation and numbering of these highways were coordinated among the states, they are sometimes called Federal Highways, but the roadways ...

  4. Numbered highways in the United States - Wikipedia

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

    1926-era U.S. Highway. The United States Numbered Highway System is an older system consisting mostly of surface-level trunk roads, coordinated by the American Association of State Highway and Transportation Officials and maintained by state and local governments. U.S. Highways have been relegated to regional and intrastate traffic, as they ...

  5. List of Interstate Highways - Wikipedia

    en.wikipedia.org/wiki/List_of_Interstate_Highways

    List of Interstate Highways. There are 70 primary Interstate Highways in the Interstate Highway System, a network of freeways in the United States. These primary highways are assigned one- or two-digit route numbers, whereas their associated auxiliary Interstate Highways receive three-digit route numbers. Typically, odd-numbered Interstates run ...

  6. National Highway System (United States) - Wikipedia

    en.wikipedia.org/wiki/National_Highway_System...

    The National Highway System Designation Act of 1995 (Pub. L. 104–59 (text) (PDF), 109 Stat. 568, COMPS-1425) is a United States Act of Congress that was signed into law by President Bill Clinton on November 28, 1995. The legislation designated about 160,955 miles (259,032 km) of roads, including the Interstate Highway System, as the NHS.

  7. List of U.S. Routes in Washington - Wikipedia

    en.wikipedia.org/wiki/List_of_U.S._Routes_in...

    The U.S. Routes in Washington are segments of the United States Numbered Highway System that are owned and maintained by the U.S. state of Washington through the Washington State Department of Transportation (WSDOT). The United States Numbered Highway System in Washington covers 1,870 miles (3,009.5 km) and consists of eight highways, divided ...