Closely tied to the demand for housing is how people get around, and the trend away from cars toward public transit will have a major impact on where people want to live.

Pittsburgh Post-Gazette reporter Christine Emba writes that 77% of 20- to 24-year-olds have a driver's license, compared to 91% in 1983. A Pew Research Center survey found 48% of Americans are now choosing walkable urban areas over suburbs.

The city of the future may not revolve around private-vehicle ownership. Many of these changes have been supported by advocates under the banner of “New Urbanism,” a movement that has been brewing in cities for the past two decades. New Urbanists emerged as critics of suburban sprawl, emphasizing environmentally friendly and walkable cities and borrowing urban-development models in vogue before the rise of the automobile.

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