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Shortest state highways by state State Highway mi km References Alabama: State Route 151: 0.404 0.650 [1] Alaska: Route 98: 13.4 21.6 [2] Arizona: State Route 90 Spur: 0.420 0.676 [3] Arkansas: Highway 369: 0.196 0.315 [4] California: State Route 77: 0.353 0.568 [5] Colorado: State Highway 110: 0.186 0.299 [6] Connecticut: Connecticut Route 78: ...
US 64/US 264 in Wendell, North Carolina: 2017: current Unfinished in North Carolina; North Carolina only; planned in one more: Virginia 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
This segment is instead signed as NY 878. The NYSDOT designated the eastbound lanes of the freeway as I-878 in January 1970, but the entire Nassau Expressway was publicly re-designated as NY 878 by 1991. The unsigned Interstate 878 is the shortest Interstate Highway in the United States.
I-97 is the shortest completed two-digit mainline Interstate (I-87 in North Carolina is shorter, but is still under construction) and officially the only intracounty two-digit Interstate in the contiguous US (Interstate 11 is also currently intracounty, but intended to extend much further when finished.) [7]
Interstate 87 (I-87) is a partially completed Interstate Highway in the US state of North Carolina, the shortest designated primary Interstate Highway at 12.90 miles (20.76 km) long.
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.
There are a combined 1,673 miles (2,692 km) of Interstate Highways within New York, which handles about 19 percent of vehicle travel in New York. [2] At approximately 0.50 miles (0.80 km), I-78 is the shortest main Interstate Highway, while I-90 is the longest, spanning 385.88 miles (621.01 km) within New York.
In 1926, the United States Numbered Highway System was established, creating the first national road numbering system for cross-country travel. The roads were funded and maintained by U.S. states, and there were few national standards for road design. United States Numbered Highways ranged from two-lane country roads to multi-lane freeways.