A start-up called Urban Engines believes data analysis and commuter lotteries can help cities reduce congestion.
"Women who have the possibility to choose take taxis."
The project's been a huge early success, but the mass transit component is lagging, and there are already affordability concerns along completed portions of the trail.
The automated tolls cut down on air pollution, which in turn improves the health of pregnant women.
This tool shows how far you can travel in 10 minutes in ghostly splotches and tendrils.
The vehicle has now moved beyond highways to its next phase: roaming the roads of Mountain View.
Three major flaws with the idea that most city interstates are here to stay.
Can a new effort to price out road use set a path for U.S. cities to follow?
I-95 south of the nation's capital has some of the worst traffic in the country. Next year, you'll be able to buy your way out of it.
New research finds that businesses loathe bad traffic at the regional level, but benefit from it locally.
Four charts that point to the merits of fix-it-first road funding.
It's a pretty awkward situation.
The challenge is to design ways to soften the effects of these necessary evils.
Bike lanes, bike shares, pedestrian safety laws, and more.
A new study from the University of Michigan maps global fatalities from car accidents.
New York rates four common options.
From horse-drawn carriages to the resurgence of downtowns.
Fort Lee is one of New Jersey's most dangerous driving spots. Why hasn't the governor done more there?