Canton Avenue Pittsburgh, Penn. This small cobblestone side street can be found in Pittsburgh's Beechview neighborhood." This short road has a 37 percent grade, which means that it ascends 37 feet in elevation for every 100 horizontal feet it travels.
This is the steepest officially recorded public street in the U.S., and probably the world. Although its 37 percent grade only extends about 21 feet, it still stops walkers and bikers dead in their tracks. Located in the Beechview neighborhood, the cobblestone-paved road has stairs instead sidewalks and despite the "Do Not Enter" signs posted in both directions, people still try to go up in cars and on bicycles.