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This image is a work of a United States Department of Transportation employee, taken or made as part of that person's official duties. As a work of the U.S. federal government, the image is in the public domain
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Download as PDF; Printable version; In other projects ... Interstate 80/90 exists as a concurrency as: Indiana Toll Road, from Lake Station to the Ohio ...
1946 Shell Map of United States - TCN7JM (talk · contribs) 1947 Rand McNally road atlas - Fredddie (talk · contribs) 1966 General Drafting (Esso) United States featuring The Interstate Highway System - Dough4872 (talk · contribs) 1981 Hammond road atlas - Scott5114 (talk · contribs) 1982 Rand McNally road atlas - Mitchazenia (talk · contribs)
There are 71 primary Interstate Highways in the Interstate Highway System, a network of freeways in the United States. These primary highways are assigned one- or two-digit route numbers, whereas their associated auxiliary Interstate Highways receive three-digit route numbers. Typically, odd-numbered Interstates run south–north, with lower ...
Interstate 80 (I-80) is an east–west transcontinental freeway that crosses the United States from San Francisco, California, to Teaneck, New Jersey, in the New York metropolitan area. The highway was designated in 1956 as one of the original routes of the Interstate Highway System ; its final segment was opened in 1986.
Bondurant and Altoona are looking years ahead to study a possible new interchange on Interstate 80 as the two cities continue to grow east.
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.