A start-up called Urban Engines believes data analysis and commuter lotteries can help cities reduce congestion.
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.
The challenge is to design ways to soften the effects of these necessary evils.
From horse-drawn carriages to the resurgence of downtowns.
The city's demand pricing program balances efficiency with affordability.
And that's a conservative estimate, writes Brookings economist Clifford Winston.
Tom Vanderbilt on how human behavior makes congestion worse than it needs to be.
A new study finds that drivers are willing to pay anywhere between $60 to $120 for every hour of time saved.
A case study illustrates how more deliveries could mean more congestion.
It's not as crazy as it might sound.
Broadly speaking, the answer comes down to poor planning and a commuter learning curve.
The placards harm transportation systems, the environment, and city coffers. And they don't really help those with disabilities.
Freight is crippling metro areas, but it's rarely part of city planning.
A new study finds that transit does cut down on traffic — but only on roads that parallel heavy transit corridors.
A group of entrepreneurs are working on technology that could vastly improve the universally terrible experience of airports.
Air travel congestion can quickly spread from a few cities to a whole network.