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AP Officials have confirmed a truck collided with the trusses.
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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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Urban Wonk
Could Density Actually Reduce Traffic?
Yes, according to one new study.
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Has South America's Most Sustainable City Lost Its Edge?
Brazil's Curitiba was once a model of sustainable planning. Now, it's struggling with a slew of urban problems.
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Pardon Me, But These Lasers and Blinking Lights Mean You Are Standing Too Close
Let strangers know they're invading your personal space with this annoying little gadget.
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Videos
A Case Study in a Senior-Friendly City
How Arlington, Virginia, helps serve older residents.
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The Rise of the Citizen Cyclist
As cycling goes mainstream, hardcore riders in New York City complain about being tamed. Here's why they're wrong.
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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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Photos
The Growing Popularity of Bus Rapid Transit
When designed the right way, a BRT line can be a smart alternative to more expensive modes of public transit.
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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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Charts
Rethinking the Economics of Traffic Congestion
Traffic is not an economic problem. It’s an indicator of a healthy urban economy.
