Between 1990 and 2020, the extent of roadways in the U.S. measured in lane miles grew by 9 percent. (One lane of roadway over a one-mile length is one lane mile. Thus, a 10-mile length of a four-lane roadway is 40 lane miles, and a 20-mile length of a two-lane roadway is also 40 lane-miles.) However, what this overall number masks is the dramatic growth of urban roadways. Even as the overall extent of rural roadways shrank by almost 6 percent over this period, urban roadways overall expanded by almost 67 percent, and urban interstate highways in particular expanded by almost 73 percent. More
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This content originally appeared on CounterPunch.org and was authored by Basav Sen.