Eric Jaffe
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A New Law of Intercity Mobility
A group of network researchers proposes a "radiation model" of migration that more accurately predicts patterns of commuting, disease spread, and more.
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Explaining Transit's Secret Language
In his new book, blogger-turned-author Jarrett Walker shows how transportation really works.
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How to Measure a Project's Health
By embracing a new "health impact assessment" tool, Atlanta makes sure its major redevelopment will lead to healthier lives.
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Do Real-Time Updates Increase Transit Ridership?
In Chicago, the CTA Bus Tracker isn't just a great tool for existing riders — it's actually encouraged new ones.
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The People Who Steal Transit Buses
A brief history of bus thieves from World War II to Darius McCollum.
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For the Urban Poor, a Downside to Residential Mobility
A new study finds "unintended political consequences" of HUD's program to place poor families in higher-income neighborhoods.
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Charts
Is Urbanism Slowing the Rise of Car Travel?
If Americans have really reached "peak driving," recent changes in land use may be a reason why.
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Does Light Rail Really Alleviate Highway Congestion?
At the very least, it seems to slow the rise of highway traffic, according to a new report.
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The Worst Public Bathroom in New York
Plans to renovate the New York Public Library best not overlook the loo.
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Parking Minimums Promote Driving, Even in Transit-Friendly New York
A new study finds a "clear relationship" between a guaranteed spot at home and commuting by car.

