The worst culprits aren't necessarily the ones you'd expect.
How America's biggest metro areas stack up.
Wage growth varies considerably by metropolitan area, according to numbers from the most recent quarter.
Videos of the wild show.
Amid a contested mayoral race, deferred road maintenance costs end up front and center.
San Diego County has made it easy for its cities to convert to energy-efficient streetlights.
A sampling of some of the most vibrant, colorful signs.
A new study suggests that zip codes are as important as genetic code in childhood obesity.
20 years since Camden Yards opened in Baltimore, a look back on the stadium design that's emerged since.
A survey of light rail aesthetics from around the world.
Zipcar ranks U.S. cities on innovation, sustainability, and creativity.
Nearly a quarter of working households spend more than 50 percent of their income on housing.
These roadways have performed well by some traffic standards, but problems remain.
A public/private partnership that will help better understand EV consumer behavior
Officials think they crafted a balanced regional transportation plan; two environmental groups, and the state Attorney General, don't
America has more city parks, but less money to pay for them
A new interactive map shows where drivers, bikers and pedestrians were killed
Which cities will get the most visitors this holiday weekend?
A proposed residential development threatens a factory that employs 1,800