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America loves its freeways. After the 1956 Federal Highway Bill created the pathway for a 41,000 mile interstate highway system, states and cities jockeyed for the funding to build ever-more extensive networks of pavement that could carry Americans quickly between cities. Sometimes, they built these highways right in the middle of cities, displacing communities and razing old buildings and homes.
“This was a program which the twenty-first century will almost certainly judge to have had more influence on the shape and development of American cities, the distribution of population within metropolitan areas and across the nation as a whole, the location of industry and various kinds of employment opportunities,” Daniel Moynihan wrote in 1970 about the federal program that built these thousands of miles of highways.
But highways also created problems, some of which have become much worse in the years since. Urban freeways displaced communities and created air and noise pollution in downtown areas. They made it easier for suburban commuters to “zip to their suburban homes at the end of the work day, encouraging those with means to abandon the urban core,” Ted Shelton and Amanda Gann of the University of Tennessee wrote in a paper about urban freeways. They also encouraged a reliance on cars that has led to the traffic problems and commuting woes that are motivating a return to city cores. […]