John Metcalfe

Leonid Mamchenkov

Do You Really Need to Lock Your Car?

Most people do. But the Bay Area’s automotive smash-and-grab scene is so intense that some drivers leave their doors open to avoid the expense of replacing broken windows.

Marnix Hamelberg/Cartoma

The Weird Geography of Population Density

What if people were mapped like mountains?

RTD

Denver's New Transit Mascot Is a Total Jerk

The Colorado metro's Regional Transportation District goes irreverent with its “Don’t Be Jimmy” campaign, starring a boorish rider who just dodged a sexually transmitted disease.

Max Ross/Reuters

What's Better Exercise: Biking or Walking?

CityLab investigated this workout showdown.

Portland Anarchist Road Care

Portland Anarchists Want to Fix Your Street's Potholes

Meet the group devoted to abolishing capitalism, and also making streets super smooth.

WSDOT

Take a 360-Degree Dive With Seattle's Massive Tunnel Borer

Tag along as Bertha nears the end of its painstaking, four-year journey.

Robert Galbraith/Reuters

The Results of America's First Transit-Incentive Program

Paying people to avoid the morning rush sort of worked in the San Francisco Bay Area.

Hirsuta/Arch Out Loud

The 'House of the Future' Is a Shiny Rotating Blob

The off-the-grid solar home would imperceptibly spin on its central axis, providing fresh views with each season.

Casey Fiesler/Flickr

Here’s the Crosswalk Voice Remix Track You’ve Been Craving

“Wait” is possibly the catchiest song ever performed by a talking pedestrian traffic signal.

David Seater

Seattle Makes a Pac-Man Pop-Up Park

Retro arcade fans can while away the hours outdoors evading ghosts and gobbling pellets.

pittaya/Flickr

Yellow Taxis Are Safer Than Blue Ones

Researchers in Singapore have crunched the numbers of crash rates by vehicle color.

Reuters/China Daily

The Other Side of Roundabouts: More Crashes

Traffic circles are great at preventing fatal wrecks. But what can be done about the crashes they do provoke?

Ray Luong

Bay Area BART Traffic Gets an Arty Vizualization

Enjoy the soothing shapes and colors of a ridership simulation that’s “better than any snake game ever.”

City of San Diego

The Key to San Diego's Water Independence: Sewage

The city’s ambitious Pure Water project aims to combat drought and harsh economics with reclaimed wastewater. But first, the public will have to get used to the idea.

A New Twist in Guerrilla Bike Lanes: Toilet Plungers

Wichita’s likely first DIY protected lane involves items commonly wielded by plumbers.

Blair Sampson/USDA

What's Behind San Francisco's Plague of Flies?

A brief history of the California city’s hopeless battle against invasive insects.

High Line Art

Is There Room on the High Line For Monumental Art?

Starting in 2018, the elevated park’s piazza-like Plinth will host a series of large—and possibly politically charged—public art pieces.

NYPL

When Lager Reigned

1880s Manhattan was a beery paradise, according to a teetotaling cartographer.