The Democratic contender's climate plan calls for $300 billion in new transit funding and $600 billion for high-speed rail. But it's not great on highways.

British traffic safety authorities are starting to figure out how dangerous SUVs are for pedestrians. Unlike the U.S., they might actually do something about it.

A new study looks at what kinds of bikeway designs offer the most safety benefits. Dutch-style sidewalk-level bike lanes win out.

Free transit passed for downtown workers raised their transit-commuting rate from 5 percent to 10 to 14 percent.

A new pot of money would help undo the sometimes-racist legacy of urban highway construction.

More congested cities. Weakened transit systems. To top it off, Uber lost $5.2 billion last quarter.

Safer walking, cleaner air, less noise. Minneapolis hopes phasing out drive-throughs will help it meet its climate goals.

Two mayoral candidates have plans to make transit free. And a new survey shows overwhelming public support.

The Latino business owner who was the face of the campaign has quit, saying she was "used."

Cattle gates for pedestrians in NYC. "Antiseptic cities." This is what auto industry officials tell the New York Times they envision for self-driving cars.

Research finding that drivers pass women more closely may help explain why women express greater fears about cycling.

In peer countries with much better safety records, presidents and prime ministers make traffic safety a national priority. So mock the New York City mayor at your own risk.