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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.
Interstate Highways in the 48 states that border each other. Purple routes are currently built and open freeways, blue are currently open spur routes, and green is proposed routes, future roads, or those being built. The sign used to mark an interstate.
List. Special. Divided. United States Numbered Highways are components of a national system of highways that is administered by the American Association of State Highway and Transportation Officials (AASHTO) and the various state departments of transportation. These U.S. Numbered Highways were initially designated on November 11, 1926, and ...
2 feb 2024 · Interstates by State - Interstate-Guide. This list breaks down the Interstate-Guide by states (and the District of Columbia) and including current, former, future and unsigned routes. Interstate mileage statistics provided for each state and D.C. were obtained from the December 31, 2021 Interstate Route Log and Finders List.
This is a list of Interstate Highways in the U.S. state of California that have existed since the 1964 renumbering. It includes routes defined by the California State Legislature but never built, as well as routes entirely relinquished to local governments.
Included is a complete list of: Active Business Loops/Spurs. Decommissioned Business Loops/Spurs. Proposed Business Loops/Spurs. All About Interstates. An FAQ section with select stats and rankings, trivia, factoids, and other information about Interstate Highways. Total Interstate Mileage: 49,242. Number of Interstates: 360.
21 ott 2023 · This US road map displays major interstate highways, limited-access highways, and principal roads in the United States of America. It highlights all 50 states and capital cities, including the nation’s capital city of Washington, DC.
