Eric Jaffe
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Charts
What's Your 'Mobility Biography'?
Major turning points in life are linked with shifts in car ownership and transit use, a new paper argues.
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Can Bloomberg's $9 Million Mayors Challenge Really Make a Difference?
At least one massively successful city innovation, 311, suggests it can.
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Bloomberg Offers $5 Million Prize for City Innovation
The "Mayors Challenge" will award "breakthrough solutions" to urban problems.
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Potholes Are Big Politics in San Diego
Amid a contested mayoral race, deferred road maintenance costs end up front and center.
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What Really Matters for Increasing Transit Ridership: Rail Edition
New research says auto regulations or system expansion — but not fare subsidies — increase transit use.
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Charts
Which City Might Try to Ban Huge Sodas Next?
Deductive reasoning says Seattleites should drink 'em while they got 'em.
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Young Americans Aren't the Only Ones Driving Much Less Than Their Parents
A new study shows 18- to 29-year old Germans are also leaving the road.
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The Future of Car Commuting
Road trains — semi-autonomous highway platoons — recently completed a promising trial, but questions remain.
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Are Cities Losing Power to States?
According to a new survey of public officials, city governments face new restrictions from states.
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Photos
Mapping 'Urbicide' in World War II
Wartime cartography shows how U.S. bombing of Japan shifted from military targets to cities in general.

