The city wants to charge the most polluting cars £12.50 to enter the city center, on top of an existing fee.
Bikes brought the metro fast economic growth and mobility—with challenges on the side.
Prices will go up for the hugely popular bike-share service, but infrastructure will see a big overhaul in return.
The people and ideas reshaping urban life
For long-distance travelers looking for low-emissions options, choices are shrinking as Europe's overnight trains fade away.
An interactive map shows what languages—apart from English—are most spoken at each underground stop.
...Or terrifying, if you're not fond of flying.
Whose streets? Our streets. But more than rush hour is disrupted when people take to the highways.
Today in 1904, NYC opened its first underground line, inspiring the biggest building boom in city history—and a spoof by Thomas Edison.
A status report on proposed lines in California, Texas, and the Northeast.
Thieves can quickly pop open the lock with a car jack or pipe, but there are ways to protect yourself.
Charting the equity problem in the U.S., Canada, and Mexico.
A pilot program to make flu shots available through the car service may take "disrupting" health care too far.
Organizers of San Francisco's first Disaster Relief Trials think cyclists can play a critical role in times of emergency.
What the French gamely call the "art of insertion" is really a multimodal understanding of streets.
The "Veloloop" emits a low-frequency signal to alert traffic sensors to a cyclist's presence.
Cabbies might quickly make enough to call it a day. Or they might not think it's worth it to be out at all.
A mix of imagination and memories of the physical shape of your surroundings helps orient you when you're lost.
Even in the cycling utopia of the Netherlands, bicyclists face infrastructure problems.