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  2. 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]

  3. United States Numbered Highway System - Wikipedia

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

    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. Interstate Highway numbers increase from west-to-east and south-to-north, to keep identically numbered routes geographically apart in order to keep them from being ...

  4. List of Interstate Highways - Wikipedia

    en.wikipedia.org/wiki/List_of_Interstate_Highways

    Associated route: I-587 Shortest Interstate highway in contiguous United States I-87: 333.49: 536.70 I-278 in New York City: A-15 at Canadian border in Champlain, New York: 1957: current New York only Associated routes: I-287, I-587, I-787: I-88: 140.60: 226.27 I-80/IL 92 in East Moline, Illinois: I-290/IL 110 in Hillside, Illinois: 1987: current

  5. 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 ...

  6. 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.

  7. U.S. Route 1 - Wikipedia

    en.wikipedia.org/wiki/U.S._Route_1

    U.S. Route 1 or U.S. Highway 1 (US 1) is a major north–south United States Numbered Highway that serves the East Coast of the United States.It runs 2,370 miles (3,810 km) from Key West, Florida, north to Fort Kent, Maine, at the Canadian border, making it the longest north–south road in the United States. [2]

  8. U.S. Route 66 - Wikipedia

    en.wikipedia.org/wiki/U.S._Route_66

    U.S. Route 66 or U.S. Highway 66 (US 66 or Route 66) was one of the original highways in the United States Numbered Highway System. It was established on November 11, 1926, with road signs erected the following year. [ 3 ]

  9. Interstate 40 - Wikipedia

    en.wikipedia.org/wiki/Interstate_40

    Interstate 40 (I-40) is a major east–west transcontinental Interstate Highway in the southeastern and southwestern portions of the United States. At a length of 2,556.61 miles (4,114.46 km), it is the third-longest Interstate Highway in the country, after I-90 and I-80.

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