Measuring Sprawl 2014(51 page pdf, Smart Growth America, April 2014)
Also discussed here: Updated Urban Sprawl Data for the United States (National Cancer Institute, Geographic Information Systems and Science for cancer prevention and control)
Today we review a report on the extent that sprawl exists and the rate that it is increasing or decreasing in over 200 cities and almost 1000 counties in the USA, using a quantitative sprawl index. Results indicate that the most compact, least sprawled cities are New York City (203) and San Francisco (194). In contrast, the most sprawl is found in Atlanta (41) and Morganton NC (25). Analysis of the social and health impacts of sprawl reveal that a doubling of the index equates to 3 more years of life and an increase of only 10 points is linked to lower housing and transportation costs by 3-4%, improved air quality and 15% less fatal vehicle crashes.
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