And where bike commuting has been growing the fastest.
California is on its way, and the Midwest, the Northeast Corridor, and Texas all have plans of their own.
New maps show the geographic differences among Mexican, Salvadorean, Cuban, and other ethnic populations.
Scenes from a city reopened.
Week one: fancy Italian restaurant. Week two: dive bar.
What was different, and what was similar, in 1995 and 1996.
A very weird plan to send Washington a message by disrupting D.C.'s commuters.
Stop it. Stop flushing wet wipes.
Vincent Gray is demanding a meeting with President Obama and Congress.
It's a cost-effective, high-return option, says Chicago's transportation commissioner.
Our weekly roundup of the most intriguing articles about cities and urbanism we've come across in the past seven days.
Bars, Alexandria, and private museums.
Superfund clean-ups are halted, and that's just the start.
From national parks, to home loans, to the National Zoo in D.C., there will be a small, but noticeable, impact almost immediately.
New York. Paris. Bacon.
Some people just don't know how to share, let alone bike-share. So what do we do about them?
The United States, Italy, and the United Kingdom are particularly good at obtaining private Facebook data, a new map reveals.
Helping people get high safely is a lot cheaper than treating them for HIV.
The Navy Yard attack was an example of D.C.'s complex jurisdictional landscape.