The dominance of New York, and the decline of bus ridership.
Monday's Amtrak crash was the third such incident at a grade crossing in just over a month, and two U.S. Senators have already announced legislation aimed at reducing them.
New York's Bus Time program led to about a 2 percent rise overall, according to new research.
Photos of attractive riders featured on a British site are trending in Guangzhou and Shanghai.
Millennial children have better respiratory health than did those in the smoggy '90s.
Shocker: This plan comes with a healthy dose of controversy.
State cap-and-trade revenue, which now includes tailpipe credits, appear set to far outpace expectations.
Depressing new research on traffic-related pollution near schools is all the more reason to assign a proper price to car-reliance.
Winter-weary drivers may not want to watch this.
The Adventure Cycling Association has just put out six detailed maps and brochures for cyclists planning to tackle the historic highway.
The U.S. House passed a bill that would allow train passengers to carry-on cats and dogs.
Our sidewalk interactions are "fundamentally anticipatory in nature," according to scientists.
Many major cities don't keep comprehensive data about assaults against passengers—and even FBI-led background checks have limitations.
When we build more roads, we invite more cars.
On the latest episode of Last Week Tonight, the host suggests Hollywood might be able to help.
Most 15-year-olds don’t spend their spare time studying walkability and public housing. Dylan Gentile is not most 15-year-olds.
Looking back on our series about the people and ideas changing cities around the world.