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  2. 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.

  3. List of United States Numbered Highways - Wikipedia

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

    United States Numbered Highways are the components of a national system of highways administered by the American Association of State Highway and Transportation Officials (AASHTO), a nonprofit, nonpartisan association, [3] and the various state departments of transportation.

  4. Numbered highways in the United States - Wikipedia

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

    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 have been largely ...

  5. Interstate Highway System - Wikipedia

    en.wikipedia.org/wiki/Interstate_Highway_System

    In 1926, the United States Numbered Highway System was established, creating the first national road numbering system for cross-country travel. The roads were state-funded and maintained, and there were few national standards for road design. United States Numbered Highways ranged from two-lane country roads to multi-lane freeways.

  6. List of special routes of the United States Numbered Highway ...

    en.wikipedia.org/wiki/List_of_special_routes_of...

    A special route of the United States Numbered Highway System is a route that branches off a U.S. Highway in order to divert traffic from the main highway. Special routes are distinguished from main routes by, in most cases, the addition of an auxiliary plate that describes what type of route it is, while the main highway carries no such sign.

  7. U.S. Route 101 - Wikipedia

    en.wikipedia.org/wiki/U.S._Route_101

    U.S. Route 101, or U.S. Highway 101 (US 101), is a north–south highway that traverses the states of California, Oregon, and Washington on the West Coast of the United States. It is part of the United States Numbered Highway System and runs for over 1,500 miles (2,400 km) along the Pacific Ocean .

  8. Portal:U.S. roads - Wikipedia

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

    When the United States Numbered Highway System was created in 1926, the National Road was designated U.S. Route 40 (US 40). The I-70 designation was brought to the Northern Panhandle with the passage of the Federal-Aid Highway Act of 1956, and it was built as a controlled-access highway, bypassing portions of the old National Road. The first ...

  9. 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), 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.