The First Pedestrian Has Been Killed by a Self-Driving Car. Now What?

In Tempe, Arizona, an autonomous Uber struck and killed a woman crossing a street at night. The incident is likely to test the public’s tolerance of AVs on real-world roads.

America's Loneliest Roads, Mapped

An interactive map highlights the least traveled routes in the country—and some of the most scenic.

6 Ideas for a Better New York Subway

The beleaguered system looked outside its own ranks for ambitious new fixes.

An 'Instant Bridge' Collapses Near Miami, and Many Questions Remain

Florida International University’s new pedestrian bridge was state-of-the-art. On Thursday, the new span failed, killing six.

A LimeBike and LimeBike-S are pictured.

I Have Seen the Future of Urbanism and It's a Scooter

While you’re still trying to figure out dockless bikes, there’s a new two-wheeler to share around town. It could be a bigger deal than you think.

The Perfect Selfishness of Mapping Apps

Apps like Waze, Google Maps, and Apple Maps may make traffic conditions worse in some areas, new research suggests.

The new cable-stayed bridge being built to replace the Tappan Zee Bridge across the Hudson River connecting New York State's Westchester and Rockland counties.

Mayors Are Demanding a Better Infrastructure Deal

Members of the National League of Cities are meeting in D.C. this week to make their case for more federal funding.

Interstate 710 in Los Angeles is predicted to see a big spike in truck traffic. But plans to add lanes are now on hold.

L.A. Taps the Brakes on Freeway Expansion

After resistance from environmental and community groups, a plan to add lanes to the 710 has been put on hold, but critics remain wary.

Building Better Bus Stops Can Be a Snap

Hold the concrete. These prefab plastic platforms are helping cities experiment with bus infrastructure, without spending so much time and money.

'Stop Killing Kids,' Traffic Safety Advocates Protest

A march in New York City on Monday draws inspiration from the 1970s social movement that changed Dutch street design for good.

The EU Is Giving Teens a Month of Free Train Travel Across Europe

The cultural enrichment plan could change young lives, and maybe even revive the heyday of the Interrail train pass.

The Ticking Time Bomb for Suburban Retail

Lightning-speed deliveries and autonomous cars could accelerate the current big-box implosion.

The Unhelpful Ways Cities Talk About Bike Helmets

American cities’ preoccupation with helmets might undermine more effective ways to protect cyclists.

A shirt from DC Metro Store is pictured

What to Buy Your Friends and Enemies at D.C. Metro's Gift Shop

Maybe it’s a one-stop shop for fans of urban graphic design. Maybe it’s a wish for something more. Either way, the swag is something to see.

What Would a Good Electoral Map Even Look Like?

Using a score he named after the inventor of gerrymandering, one geographer discovers a huge variation in how well congressional districts match up with commuter regions consisting of interconnected urban, suburban, and rural areas.

Lyft Will Offer Free Rides to Anti-Gun Rallies

It’s a savvy move for a company that’s determined to be the ride-hailing choice of a younger generation.

Is Streetcar Rage Justified?

No, the D.C. Streetcar isn’t scrapping its fleet and shutting down. But there’s a reason why so many critics of the system thought it was.

Brussels Makes an Extreme Plan to Fight Pollution Emergencies

When the air gets bad, transit would be free. When it gets worse, the city would effectively grind to a halt.

A Ford self-driving delivery vehicle in Miami.

Self-Driving Pizza Just Hit Miami

The automaker Ford is bringing autonomous deliveries from Domino’s and Postmates (plus Lyft rides) to Miami-Dade County.

China's Subway Boom Slows Down

More than 20 urban transit systems and over 100 lines were built in just the last 10 years, but the government now wants cities to slow down.