The US Interstate Highway System: 40 Year Report

http://www.publicpurpose.com/freeway1.htm

Montana 50 1,700 2.27 Nebraska 30 1,100 0.72 Nevada 80 1,600 2.13 New Hampshire 20 500 0.58 New Jersey 90 2,900 0.41 New Mexico 140 3,900 3.17 New York 170 6,100 0.34 North Caroli

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