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Thursday, September 20, 2012

Study: 10% More Smart Growth = 20% Less Driving [dc.streetsblog.org]


A professor at San Francisco State University recently developed an econometric model to study how smart growth affects travel behavior. His finding: quite a bit.

If Bakersfield, California enjoyed the same density and transit amenities as the San Francisco Bay Area, households would drive 55 percent less, according to a recent study. Photo:Bakersfieldcarealestate.com
Dr. Sudip Chattopadhyay measured the impact of certain smart growth indicators on 18 metro areas across the U.S. He found that a 10 percent increase in smart growth amenities — measured by residential and job density and per-capita transit spending — leads to a 20 percent reduction in miles driven.
“This is a huge impact,” said Chattopadhyay. “Success is gradual and long lasting.”

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