Washington, DC

Courtesy Washington Area Bicyclist Association

Don't Tweet: In D.C., a New War on Public Safety Information

Citing safety concerns, the city opts to filter which public safety incidents citizens get to hear about

Flickr user Bikoy, licensed under Creative Commons

Why Walkable Cities Aren't Always the Ones You'd Think

Factors like bad weather and long commutes don't make a place less walkable

Flickr user trams aux fils, licensed under Creative Commons

Streetcar Serenity

If light rail and streetcar systems are 'too quiet,' it would be an awfully nice problem to have

Carlos Barria / Reuters

14 U.S. Infrastructure Projects Get Federal Fast-Tracking

Permitting and environmental review will be expedited, pushing for final approval within 18 months

Flick user: alexindigo, under a Creative Commons Licence

The Best and Worst of Official City Flags

They're less visible, but most cities have flags just like countries or states. Some are great. Others, not so much.

REUTERS/Suzanne Plunkett

The Methodology of Bike-Share Station Placement in New York City

Taking lessons from its predecessors, America's largest city has crafted a three-pronged approach for bike-share deployment

Fairmount Park in Riverside, Calif. (Courtesy APA)

Great Neighborhoods, Streets, and Public Spaces for 2011

30 examples of great places in American cities from the American Planning Association

Courtesy Mera Rubell

Why I Love My City: Mera Rubell on Miami

The art collector discusses why she's so passionate about Miami, and which city is the best place to live for artists

Flickr user: brunosan, under a Creative Commons license

The World's Best Subway Maps

20 mass transit maps worthy of hanging on your wall

REUTERS/Rebecca Cook

For the Unemployed, Geography Can Be Destiny

Not every place and every citizen has been affected by the recession the same way

Walk Score Offers Apartment Searches Based on Commuting Time

Data from 209 transit agencies combines with Craigslist rental listings

REUTERS/Lucy Nicholson

The Big Cities of a Child's Imagination

Recollections of what the wider urban world seemed like as a kid growing up in a small Southern city

Reuters/Lucy Nicholson

Is Rush Hour Expanding?

More than 40 percent of congestion delays occur during off-peak hours

Reuters/Kimberly White

The Math Behind Sacking Disposable Bags

How a variety of policies aimed at reducing the environmental impact of shopping bags are working

2010 File photo Associated Press/The Philadelphia Inquirer

Are Violent 'Flash Mobs' Really a Trend?

After two summers in a row of disturbing group violence in cities like Chicago and Philadelphia, authorities look at the intersection of technology, poverty, and race

Courtesy Waterfront Toronto

9 Cool Projects Under Freeway Overpasses

Innovative ways to reuse the empty space beneath overpasses

Stefano Paltera/U.S. Department of Energy Solar Decathlon

Solar Decathalon 2011: This Year's Biggest Ideas

University teams bring their net-zero housing concepts to Washington

Photo by Flickr user functoruser, used under a Creative Commons license

The War on Red-Light Cameras

Houston and L.A. recently turned theirs off. Will others join them?

Flickr user: DaveFayram, Creative Commons

Is Bicycle Commuting Really Catching On? And if So, Where?

A survey of 55 major U.S. cities shows big gains in many places, but plenty of regional variation