List of United States Numbered Highways
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This list of United States Numbered Highways is grouped by the one- or two-digit "parent" highway.
An asterisk * denotes three-digit highways whose route number is in "violation" of the usual AASHTO numbering scheme and thus these three-digit highways are not children of the 1- or 2-digit parent highways their numbering would otherwise imply. NB: U.S. Route 101 at the far west of the grid, in California, is considered part of the basic gridwork of two-digit routes.
(d) denotes US Highways that have been decommissioned (sometimes replaced by Interstate Highways).
(ns) denotes US Highways that were never signed as such.
A handful of 2-digit numbers have never been assigned to a US Highway route.[link]
See also
- United States highway
- List of bannered U.S. Routes
- National Auto Trail (the predecessor to the numbered US Highway system)
- Interstate highway
- *List of Interstates
Sources and external links
- [U.S. Numbered Highways - 1989 Edition] - AASHTO
- [Endpoints of US Highways] (Dale Sanderson)
- [US Highway Endings] (Adam Froehlig)
- [U.S. Highways: from US 1 to (US 830)] (Robert V. Droz)
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