
The Evolution of the Interstate is an animated map which allows y'all to sentiment the structure of the USA Interstate Highway System from 1956 to 2017. The map starts inwards 1956, when the kickoff 9,000 miles of highway are added to the map, in addition to ends inwards 2017 amongst over 49,000 miles of highway.
As the Evolution of the Interstate progresses novel highways are added to the map yesteryear their twelvemonth of construction. H5N1 running full shows the issue of miles of route added to the network. The map likewise occasionally zooms inwards on approximately of the well-nigh of import stages inwards the structure of the Interstate Highway System.
The Interstate Highway System was championed yesteryear President Dwight D. Eisenhower in addition to was kickoff authorized yesteryear the Federal Aid Highway Act of 1956. H5N1 twelvemonth earlier, inwards 1955, the General Location of National System of Interstate Highways, informally known equally the Yellow Book, was published. This mapped out what was to larn of the Interstate System. In 1956 the American Automobile Association published the National organization of interstate in addition to defence strength highways : equally of June, 1958, a map of the planned interstate network.