The Boulevard of the Allies is a mostly four-lane road in the U.S. state of Pennsylvania, connecting Downtown Pittsburgh with the Oakland neighborhood of the city. Because of its lengthy name, locals sometimes refer to it as simply "The Boulevard".

Interstate 579 (I-579) is a north–south Interstate Highway entirely within Pittsburgh, Pennsylvania. The highway is 2.73 miles (4.39 km) long. I-579 is also known as the Crosstown Boulevard since it crosses the backside of Downtown Pittsburgh.