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A map of the Strategic Highway Network, one component of the NHS Map of average freight truck traffic on the NHS in 2015. According to the Federal Highway Administration, the 160,000-mile (260,000 km) National Highway System includes roads important to the United States' economy, defense, and mobility, from one or more of the following road networks (specific routes may be part of more than ...
Follows the East Coast of the United States, longest north-south US Highway US 2: 2,112: 3,399 I-5/SR 529 in Everett, WA: I-75 in St. Ignace, MI: 1926: current Western segment US 2: 460: 740 US 11 in Rouses Point, NY: I-95 in Houlton, ME: 1926: current Eastern segment US 3: 273: 439 Route 2A/Route 3 in Cambridge
This sign, photographed in 1941 on US 99 between Seattle, Washington, and Portland, Oregon, illustrates one rationale for a federal highway system: national defense. When the U.S. numbered system was started in 1925, a few optional routings were established which were designated with a suffixed letter after the number indicating "north", "south ...
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.
The Federal-aid primary highway system (FAP system) is a system of connected main highways, selected by each state highway department subject to the approval of the Bureau of Public Roads. It encompasses routes of the Interstate System and other important routes serving essentially through traffic with their urban extensions, including ...
L. I. Hewes opened the Western Headquarters Office of the Bureau of Public Roads to administer federal-aid highway and direct federal highway construction programs in 11 western states, including Alaska and Hawaii. It provided federal 50–50 matching funds for state highway building up to 7 percent of roads statewide. [1]
The following 5 pages use this file: List of United States Numbered Highways; List of divided U.S. Routes; United States Numbered Highway System; User:Vigneshdm1990/sandbox; Wikipedia:Graphics Lab/Map workshop/Archive/Apr 2020