Eric Jaffe

AP/Pablo Martinez Monsivais

Head Injuries Didn't Rise in Bike-Share Cities. They Actually Fell

In fact, head injuries declined about 14 percent after cities started bike-sharing programs.

ChameleonsEye/Shutterstock.com

How Airlines Are Sticking It to Travelers, in 6 Charts

Fares and profits are rising, even as seat and flight supply are falling.

Spectral-Design/Shutterstock.com

The Case for Tearing Down Park-and-Ride Lots

And replacing them with mixed-use development.

Bridj

The Rise of Private 'Luxury' Mass Transit Buses

What will services like Bridj, Blackline, and Leap Transit mean for traditional city buses?

Wiki Commons via Vladislav Bezrukov and Heinrich Hoffmann

How Highway Construction Helped Hitler Rise to Power

Opposition to the Nazi regime declined near the Autobahn faster than everywhere else.

Shutterstock.com

The U.S. Cities That Sprawled the Most (and Least) Between 2000 and 2010

Two maps and six charts take sprawl rankings to another level.

Flickr user Steven Vance

Protected Bike Lanes Aren't Just Safer, They Can Also Increase Cycling

10 percent of new riders on recently constructed protected lanes switched from other modes.

Google

Will Self-Driving Cars Have Road Rage?

Technically they could. But in a driverless world we probably won't want them to.

Uber

There's No Way Most UberX Drivers Make Twice What Traditional Cabbies Do

Uber says some drivers bring in $74,191 a year in San Francisco and $90,766 in New York.

Shutterstock

Meet the 10 People Who Will Plan New York's Future

Rather, "people" — a statistically representative group of avatars will help guide RPA's Fourth Regional Plan.

Where Obama's Plan to Improve Urban Mobility Went Wrong

The legacy of interstate policy spoiled any big plans for more livable cities.

AP

The Gas Tax in New Jersey Is About Half What It Was in 1927

Political refusal to raise the tax has left 10 states with historical lows, according to a new analysis.

AP

Are Streetcars Mostly for Tourists?

Evidence that streetcar ridership is unrelated to service frequency, bus connections, and job proximity. 

Shutterstock.com

Using Insights and Incentives to End Rush Hour

A start-up called Urban Engines believes data analysis and commuter lotteries can help cities reduce congestion.

Flickr user roy.luck

Houston's Plan to Get an Amazing New Bus System for No New Money

By eliminating route redundancies and emphasizing ridership, the city thinks it can get a better trip at the same price.

Reuters

The Geography of the Anti-Agenda 21 Movement

A look at the legislation that's undermining sustainable planning across the U.S.

AP

How Tolls Could Help Prevent a U.S. Transportation Crisis

In the midst of a federal funding disaster, a good idea emerges.

Flickr user wyliepoon

The Importance of Running True BRT Through Downtown

Anything less reinforces negative public perception of the entire mode.

Reuters

The Unpopular Step That Would Popularize Electric Vehicles

Two words: tax carbon.