With a name like "Death Road," this South American attraction isn't for the faint of heart, and even the bravest adventurers ...

That means the road gains 33 feet of elevation for every 100 feet traveled, and that's freakin' steep. It was built in 1912, and it's so steep that the U.S. Postal Service had to stop driving it ...

A new viral video captures a chaotic scene as multiple vehicles struggle to navigate a steep, icy mountain road, including a ...

Just how do they work? When designing a new ramp, state authorities consider factors specific to the road, like how steep the grade is and what road conditions look like at the bottom of a hill.

Road crews will be out at a steep hill hill on Jericho Avenue NE Wednesday morning as work begins to make it safer.

PORTLAND, Ore. — It's a steep, curvy, crash-prone road through the West Hills, and now it's the Oregon Department of Transportation's problem. Control of the eight-mile section of Northwest ...

A 37-year-old tourist was killed Monday when his car plunged off the steep and winding mountain road that leads to the highest point in the Great Smoky Mountains National Park. Investigators say ...

Though it might not be the first region to come to mind when you think of steep hills, Los Angeles is home to four of the ...