Emily Badger

Reuters

A Striking Pattern to D.C.'s Metrorail Ridership on Inauguration Day

This is what it looks like when hundreds of thousands of people stand still at the exact same time.

ATTAP

Could These Crazy Intersections Make Us Safer?

Dispatches from the imagination of transportation engineers.

NYC DOT

How to 'Rightsize' a Street

Case studies from cities that have done it well.

RapidCommute.com

Public Transportation ... for Your Car?

Behold the train-ferry for car commuters, and one of the craziest transit ideas we've ever seen.

Michael Schade

A Map for All Possible Routes

How to get where you're going by foot, by car, by transit and bike, all on one map.

Parsons Brinckerhoff

Why 3D Modeling Will Play a Huge Role in Tackling Rapid Urbanization

We can now simulate the effects of earthquakes, traffic jams and population expansion. From every angle.

Shutterstock

The 'Best' Ways to Incite Road Rage

We're looking at you, erratic lane weavers.

Shutterstock

9 Questions About Gun Violence That We May Now Be Able to Answer

We're going to get a windfall of gun research thanks to Obama's new policy. Here's what we want to know.

Shutterstock

Finally: A Transit Ticket on Your Smart Phone

Boston's commuter rail embraces the next big convenience in mass transit.

Shutterstock

A Case for Abolishing Parking Tickets

A researcher argues that cities could make up the revenue and control parking demand without all those hated citations.

Reuters

Would More Drivers Use Mass Transit if It Mimicked Private Cars?

Personal Rapid Transit tries for a comeback.

Reuters

Should Hybrid and Electric Cars Have to Sound Like Regular Cars?

The National Highway Traffic Safety Administration has decided that they do.

Oakoak

When Cracked Sidewalks Become Art

St. Etienne's Oakoak finds inspiration in crumbling infrastructure.

Amsterdam.nl

Watch These Traffic Lights Slowly Take Over a City

Amsterdam never stood a chance.

Google Earth

Mapping Urban Agriculture From the Sky

Google Earth could help quantify urban gardens much better than advocates on the ground.

Shutterstock

How the Federal Government Dramatically Skews the U.S. Real Estate Market

A new report details the $450 billion annual federal investment in what gets built in America.

Flickr/Laurie Chipps

How Black Gentrifiers Have Affected the Perception of Chicago's Changing Neighborhoods

Two Chicago communities with similar stories see vastly different outcomes.

Sergio Ruiz

What's Behind San Francisco's Sudden Building Boom?

Traditionally stingy with new growth, the city appears to be on the cusp of a major construction cycle.

Y. Gao, J.S. Fu

How Bad Will Climate Change Get for the Eastern U.S.? Look at These Crazy Maps

Climate change-related heat waves and intense storms are projected to hit Eastern U.S. cities especially hard.