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A report released earlier this month by Smart Growth America investigates the topic of urban sprawl in cities in the USA. Analysing 221 US Metropolitan Statistical Areas (MSAs) and Metropolitan Divisions with a population of at least 200,000, they have ranked cities from most dense to most sprawling.  They also used this data to find a number of correlations between sprawl and poor quality of life, finding that people living in sprawling cities have higher living costs, shorter life expectancies, increased risk of obesity and diabetes, and lower economic mobility than those in dense cities. Read on after the break to see the list of the 10 most dense and 10 most sprawling US cities To give each city a "sprawl index score", researchers used four primary factors: development density, a measurement of how dense the built environment is; land use mix, an indication of how well different functions are mixed together; activity centering, a measure of the relative density of the city's downtown area relative to surrounding areas; and street accessibility, taking into account the size of blocks, number of intersections and density of intersections to measure connectivity. View more View full description
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