"Bellpipes" is a bike whistle that draws from bagpipes and wind tunnels.
About 88 percent of Americans owned cars—second in the world.
The Danish capital is embroiled in a battle with the company responsible for providing fancy new bikes for the program.
Three alarming charts from new data on transportation spending.
Advocates say the latest numbers are encouraging, but the city could still be doing more.
British photographer Marcus Lyon creates apocalyptic images of what cities might look like if left to grow out of control.
Don't mess with their roads.
A new spoof, "The MTA Is Not Apologizing," shows impatient riders no mercy.
As a complementary form of mass transit, they've actually got a lot to recommend them.
It was created using a collection of 1937 railway timetables.
Sales are about to reach pre-recession levels. Who's driving them and why?
"I'm not busking for money. I want to share this identity, this culture."
In 8 revealing facts and figures, plus 3 charts.
In many cases, there are benefits to replacing signals with stop signs—starting with saving taxpayers a lot of cash.
One of the world's most popular underground networks finally gets the wayfinding treatment it deserves.
A 21-year-old inventor gets creative with half a million toy bricks.
TransLoc is building an on-demand system for transit agencies.
Drilling through the world's tallest mountain would be an engineering feat.