Miles of Paved Roads in the USA

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According to the Federal Highway Administration 2008 statistics, there are 2,734,102 miles of paved public roads in the United Sates, with an additional 1,324,245 miles of unpaved public roads. This information can be found in Table HM-12 of "Highway Statistics 2008."

Read more: http://wiki.answers.com/Q/How_many_miles_of_paved_roads_are_there_in_the_US#ixzz1EvDJIR3X

Of these, about 50k miles are interstate highways - http://en.wikipedia.org/wiki/Interstate_Highway_System

For the highways, there are about 264 acres covered per mile of road (see Acreage of Highways. For the total length of roads in the USA, that is about 13M acres. The total land mass of the usa is about 2.4 billion acres. Thus, highways are 0.5% of the land mass of the USA.

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