At the very inception of the interstate system, officials decided the numbers would not be random. Highways already existed at the time, and they needed a network that would coexist alongside them and ...

The Colorado Department of Transportation is set to demolish the U.S. Highway 50 bridge over Interstate 25, prompting highway closures and detours.

It's true what they say, everything really is bigger in Texas. The state loses out only to Alaska in terms of land mass, but Texas packs a population roughly 60 times denser than Alaska, and an ...

It’s been called the 51st state, a perpetual motion machine, a journey with no end. It is the world’s largest public-works project. In a nation divided by geography and politics, the United States ...

South Carolina has one of the deadliest interstates in the U.S., study shows. File photo hlynch@newsobserver.com The stretch of Interstate 77 through South Carolina is one of the nation’s deadliest, ...

LAKE TAHOE, Calif. – Part of the Interstate 80 in Northern California ranks in the top 10 most dangerous interstate highways sections, according to a study by Camili and Capo PA of New Jersey. The 199 ...