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  2. List of Interstate Highways - Wikipedia

    en.wikipedia.org/wiki/List_of_Interstate_Highways

    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 south–north, with lower numbers in the west and higher numbers in the east; even-numbered Interstates run west–east, with lower numbers in the ...

  3. Lists of highways by number - Wikipedia

    en.wikipedia.org/wiki/Lists_of_highways_by_number

    Download as PDF; Printable version; In other projects ... All lists of highways beginning with a number. List of highways numbered ... 0–99 0, 1, 1A, 1B ...

  4. List of United States Numbered Highways - Wikipedia

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

    Number Length (mi) [5] [b] Length (km) Southern or western terminus Northern or eastern terminus Formed Removed Notes US 1: 2,369: 3,813 Fleming and Whitehead streets in Key West, FL: Route 161 at Canadian border in Fort Kent, ME: 1926: current Follows the East Coast of the United States, longest north-south US Highway US 2: 2,112: 3,399

  5. 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.

  6. List of auxiliary Interstate Highways - Wikipedia

    en.wikipedia.org/wiki/List_of_auxiliary...

    Auxiliary Interstate Highways (also called three-digit Interstate Highways) are a subset of highways within the United States' Interstate Highway System.The 323 auxiliary routes generally fall into three types: spur routes, which connect to or intersect the parent route at one end; bypasses, which connect to the parent route at both ends; and beltways, which form a circle that intersects the ...

  7. 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 ...

  8. Wikipedia : WikiProject U.S. Roads/Standards/Route lists

    en.wikipedia.org/.../Standards/Route_lists

    Each state shall have one or more summary articles that describe its highway system in prose form. Each state shall also have lists for each categorization of highway present in that state's highway system, titled List of Interstate Highways in [state] (listing Interstate highways), List of U.S. Routes in [state] (listing U.S. routes), and List of [state highway term] in [state] (listing state ...

  9. List of roads and highways - Wikipedia

    en.wikipedia.org/wiki/List_of_roads_and_highways

    A map of the United States' Interstate Highways as of 1 October 1970. Numbered highways in the United States; List of Interstate Highways; List of United States Numbered Highways; Further information: Interstate Highway System; United States Numbered Highway System; Historic trails and roads in the United States