Congestion in major metro areas leads to freight backups across the country.
The answer actually surprised us.
The latest tally of the city's rat horde dispels the myth that the city is home to "one rat per person."
Certain pollutants common to urban areas could be harming the brains of unborn children, according to new research.
Researchers are issuing a "call to arms" to frog enthusiasts to find this critter in their cities, too.
Rather than barricading themselves at home, these immigrant communities are taking action.
Today in 1904, NYC opened its first underground line, inspiring the biggest building boom in city history—and a spoof by Thomas Edison.
A status report on proposed lines in California, Texas, and the Northeast.
Charting the equity problem in the U.S., Canada, and Mexico.
It sounds impossible, but these shots bring out an impressionist dreaminess.
A fight to keep a Barnes & Noble alive in the Bronx points to the necessity of real bookstores—and to the struggle for the borough to get one in the first place.
"Urban Gridded Dogtags" take cartographic bling to the next level.
NYU's Constantine Kontokosta sees Big Data as a tool not just for saving energy—but for making cities healthier, more resilient, and more equitable.
Joseph Boardman on federal funding, long-distance routes, and operating "as a business."
What we've learned from our 9-month series on tomorrow's urban mobility.
New Yorkers have been fighting over this for decades. But a new proposal to study a full ban next summer would bring some sorely needed hard data to the debate.
A new report ranks U.S. metros based on how many jobs residents can access by transit during the morning rush.
Since 1997, the Center for Urban Pedagogy has used graphic design to explain byzantine local policies and processes to New Yorkers.
In New York City's $4 billion PATH Hub, form overtakes function.