Full Text
interstate highway system
Subject
History
Place
Northern America
»
United States of America
DOI: 10.1111/b.9781577180999.1997.x
Extract
On 29 June 1955, the Federal Aid Highway Act was enacted to build the National System of Interstate and Defense Highways. Revenue raised by federal gasoline taxes would finance 90 percent of the costs borne by state highway departments in constructing the system, which was intended to link 90 percent of cities with populations over 50,000. By 1990, 42,400 miles of high-speed, multilane routes had been finished at a cost of $124.9 billion. Interstate highways amount to 1 percent of all road mileage, but they carry more than 20 percent of all traffic. ... log in or subscribe to read full text
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