An Indiana city famous for roundabouts was able to cut injury-causing traffic crashes by as much as 84 percent at intersections outfitted with the circular design, a new study finds.

A spate of pedestrian and cyclists deaths at the hands of hit-and-run drivers in St. Louis is sparking a national conversation about the unique reasons why so many drivers leave their victims to die — and what it will take to stop them.

An Atlantic columnist really put himself out there with a column that mocked e-bikes yet somehow let cars almost entirely off the hook.

A new documentary aims to tell the dramatic story of America's escalating pedestrian and cyclist death crisis — and, hopefully, inspire non-advocates to get involved in the movement to end the epidemic.

Some of the money will go to supercharge the construction of green transit facilities and programs to train workers on new technologies, but federal officials emphasized that the vast majority will go towards the purchase of clean vehicles themselves.

The actor's crash is the kind of extreme collision about which even the most avowed Vision Zero advocates typically stay silent — possibly because, secretly, they are not totally sure the crash could have been prevented.

The first recipients of a newly expanded major transportation grant program will deliver significant money for biking, walking and transit — and even some road projects that federal transportation leaders say will help non-drivers, too.

A 27-year-old staffer with a history of troubling tweets about fast driving was behind the wheel during the crash that killed Rep. Jackie Walorski, according to a revised police statement — and that raises troubling questions.

Automakers are warning that they won't be able to meet demand for electric cars while also divesting from foreign supply chains — prompting some advocates to demand a decarbonization strategy that doesn't require 1,000-pound batteries.

The Senate is on the brink of passing one of the most robust climate spending bills in U.S. history — but sustainable transportation advocates say it won't do enough to decarbonize the transportation sector.

Until cities harness big data, they could remain in the dark about how to best support some of the most vulnerable users on the road, a new study argues.