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  2. Numbered highways in the United States - Wikipedia

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

    Many state highway markers are designed to suggest the geographic shape of the state or some other state symbol such as its flag. Most of the others are generically rectangular or some other neutral shape. The default design for state highway markers is the circular highway shield, which is how state highways are indicated on most maps and atlases.

  3. U.S. Route shield - Wikipedia

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

    Example of an original U.S. Route shield, with the state name of "Michigan" and route number of "27" displayed in the original block font. The original design of the shield was presented in the January 1927 edition of the Manual and Specifications for the Manufacture, Display, and Erection of U.S. Standard Road Markers and Signs, the precursor to the Manual on Uniform Traffic Control Devices ...

  4. United States Numbered Highway System - Wikipedia

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

    Secretary Howard M. Gore appointed the Joint Board on Interstate Highways, as recommended by AASHO, on March 2, 1925. The Board was composed of 21 state highway officials and three federal Bureau of Public Roads officials. At the first meeting, on April 20 and 21, the group chose the name "U.S. Highway" as the designation for the routes.

  5. Highway shield - Wikipedia

    en.wikipedia.org/wiki/Highway_shield

    Every state but California uses a square or rectangular sign for its state highways, mainly to save money on both custom cutting and to be contained on a rectangular sign with other route markers. Wisconsin's symbol is a nod to its former triangular shields, while utilizing a second rectangular outline to better fit a number at full-height ...

  6. List of United States Numbered Highways - Wikipedia

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

    Since the policy on numbering and designating US Highways was updated in 1991, AASHTO has been in the process of eliminating all intrastate U.S. Highways under 300 miles (480 km) in length, "as rapidly as the State Highway Department and the Standing Committee on Highways of the American Association of State Highway and Transportation Officials ...

  7. Interstate Highway System - Wikipedia

    en.wikipedia.org/wiki/Interstate_Highway_System

    The Pershing Map FDR's hand-drawn map from 1938. The United States government's efforts to construct a national network of highways began on an ad hoc basis with the passage of the Federal Aid Road Act of 1916, which provided $75 million over a five-year period for matching funds to the states for the construction and improvement of highways. [8]

  8. Road signs in the United States - Wikipedia

    en.wikipedia.org/.../Road_signs_in_the_United_States

    Some signs can be localized, such as No Parking, and some are found only in state and local jurisdictions, as they are based on state or local laws, such as New York City's "Don't Block the Box" signs. These signs are in the R series of signs in the MUTCD and typically in the R series in most state supplements or state MUTCDs.

  9. List of U.S. state welcome signs - Wikipedia

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

    A U.S. state welcome sign is a road sign at the border, usually on a highway or other major roadway, between two U.S. states. Each welcome sign is unique to the state. They usually contain "Welcome to _____" or "_____ Welcomes You," with features such as shape, illustrations, etc. differing widely. [1] [2]