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Segments connected by road through Yellowstone National Park: US 90: 1,633: 2,628 I-10 in Van Horn, TX: SR A1A in Jacksonville Beach, FL: 1926: current Follows the Gulf Coast of the US US 91: 163: 262 I-15, I-84 in Brigham City, UT: US 26 southwest of Idaho Falls, ID: 1926: current US 92: 177: 285 I-175, I-375, SR 687 in St. Petersburg, FL
Behind the scenes, the federal aid program had begun with the passage of the Federal Aid Road Act of 1916, providing 50% monetary support from the federal government for improvement of major roads. The Federal Aid Highway Act of 1921 limited the routes to 7% of each state's roads, while 3 in every 7 roads had to be "interstate in character".
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.
Pages in category "Lists of roads in the United States" The following 23 pages are in this category, out of 23 total. This list may not reflect recent changes .
Map of the Interstates in Puerto Rico Puerto Rico signs its Interstate Highways as territorial routes, as the numbers do not match their official Interstate Highway designations. Many of the territory's routes are freeway -standard toll roads .
Not all road trips are created equal. Country Living has named 10 routes that are the best of the best.. They show off America's fantastic landscapes, from tropical beaches to major cities to snow ...
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 ...
Perry-Castañeda Library Map Collection - United States has an extensive online collection of scanned historical maps of the US, and a list of other map sites. Charting North America, maps and atlases in the New York Public Library Digital Collection; Online digitized versions of many 18th- and 19th-century American atlases, as well as the 1897 ...