Eric Jaffe

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Why People in Cities Walk Fast

Researchers have proposed a number of theories over the years — from sensory overload to the economic value of time.

Reuters

Why Are People Rioting Over Bogota's Public Transit System?

The TransMilenio is among the world's best networks, but that hasn't stopped residents from protesting it again and again.

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The Odd Link Between Commute Direction and Marital Satisfaction

Couples that travel the same way to work are happier together, a new study in the U.S. and China concludes.

REUTERS/David Gray

In China, Great Urbanization Brings Great Health Risks

Better care is needed for rural-to-urban migrant workers, a new review concludes.

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Saving Detroit's Public Transit By Privatizing It

The privately run Detroit Bus Company will try to pick up where the city's public transportation left off.

Reuters

Is the Biker Rights Movement Gaining Momentum?

A new anti-harassment law in Berkeley and a building-access law in San Francisco are both the second of their kind.

Flickr user Vanishing STL under a Creative Commons License

The Death Row of Urban Highways, Part 3

Five highways whose execution gave their cities new life.

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How to Keep Buses From Bunching

A new model for "self-equalizing" bus routes may reduce wait time and increase reliability.

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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.

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.

Flickr/John Bracken

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.

Reuters

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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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.

Reuters

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.

Do Bike Paths Promote Bike Riding?

Research on the topic doesn't offer any clean answers — and two new reports just add to the confusion.