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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 ...
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 ...
The United States Numbered Highway System is an older system consisting mostly of surface-level trunk roads, coordinated by the American Association of State Highway and Transportation Officials and maintained by state and local governments. U.S. Highways have been relegated to regional and intrastate traffic, as they have been largely ...
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.
previous_type: previous route (by number) in that state. Interstate, US (for U.S. routes), and (state's 2-letter abbreviation) (for state highways). previous_route: route number. route: a link to the list page for that state's highway system (optional if the infobox already has said link) next_type: the same as previous_type, but for the next ...
Yes, Interstate Highway System United States Numbered Highway System: Yes, List of Interstate Highways, List of auxiliary Interstate Highways, List of suffixed Interstate Highways: Yes, List of U.S. Highways, List of divided U.S. Routes — Yes, National Scenic Byway, National Forest Scenic Byway, Bureau of Land Management Back Country Byway ...
Pontis is a software application developed to assist in managing highway bridges and other structures. Known as AASHTOWare Bridge Management since version 5.2, Pontis stores bridge inspection and inventory data based on the U.S. Federal Highway Administration (FHWA) National Bridge Inventory system coding guidelines.
Category:United States Numbered Highway System; All primary US highways without their own category go here with a 2 digit sort code (08 for US-8, 85 for US-85, etc.) Category:U.S. Highways in California (or Arizona, etc... there is even one for District of Columbia and Puerto Rico) All US highways that run through that state go here.