Jefferson Hills is a borough in Allegheny County, Pennsylvania, United States. In the 2020 census, the population was 12,424. It is part of the Pittsburgh metropolitan area.
West Mifflin is a borough in Allegheny County, Pennsylvania, United States, located southeast of downtown Pittsburgh. The population was 19,589 at the 2020 census. It is named after Thomas Mifflin, 1st Governor of Pennsylvania, signer of the United States Constitution, and 1st Quartermaster General of the United States Army.
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.
The Allegheny County Belt System color codes various county roads to form a unique system of routes in Allegheny County, Pennsylvania, and around the city of Pittsburgh.
The Mon–Fayette Expressway is a partially-completed controlled-access toll road that is planned to eventually link Interstate 68 near Morgantown, West Virginia with Interstate 376 near Monroeville, Pennsylvania. The ultimate goal of the highway is to provide a high speed north–south connection between Morgantown and the eastern side of Pittsburgh while revitalizing economically distressed Monongahela River Valley towns in Fayette and Washington counties, serving as an alternative to Interstate 79 to the west, as well as relieving the PA 51 alignment from Pittsburgh to Uniontown.
The George Rankin Jr. Memorial Bridge is a cantilever bridge that carries the Green Belt across the Monongahela River between Whitaker and Rankin in Pennsylvania in the USA. It carries four lanes of automobile traffic, plus pedestrian walkways, both paved with concrete. The bridge carries over 22,500 people per day. The bridge and many of its approach ramps were originally built with tram tracks, all of which have since been removed.
A large metropolitan area that is surrounded by rivers and hills, Pittsburgh has an infrastructure system that has been built out over the years to include roads, tunnels, bridges, railroads, inclines, bike paths, and stairways; however, the hills and rivers still form many barriers to transportation within the city.
Union Railroad is a Class III switching railroad located in Allegheny County in Western Pennsylvania. The company is owned by Transtar, Inc., which is a subsidiary of Fortress Transportation and Infrastructure Investors, after being acquired from U.S. Steel in 2021. The railroad's primary customers are the three plants of the USS Mon Valley Works, the USS Edgar Thomson Steel Works, the USS Irvin Works and the USS Clairton Works.
Pennsylvania Route 65 is a major 51-mile-long (82 km) state highway located in western Pennsylvania, United States. The route, traveling north–south from the Interstate 279/U.S. Route 19 Truck concurrency in Pittsburgh north to the PA 108/PA 168 concurrency in New Castle, connects downtown Pittsburgh to the northwestern portion of the Pittsburgh Metropolitan Area. PA 65 is similar in its purpose to PA 18 and PA 51, both of which run parallel to PA 65 at one point or another; however, the three routes pass through different cities for most of their respective alignments.
Pennsylvania Route 51 is a major state highway that is located in Western Pennsylvania in the United States. It runs for 89 miles (143 km) from Uniontown to the Ohio state line near Darlington, where it connects with Ohio State Route 14.
Pennsylvania Route 21 is a 50.75-mile (81.67 km) long east–west state highway in the US state of Pennsylvania. The western terminus of the route is at the West Virginia state line in Richhill Township, where PA 21 continues into West Virginia as West Virginia Route 891. The eastern terminus is at U.S. Route 40 Business in Uniontown. The route is known as the Roy E. Furman Highway for most of its length. PA 21 serves Waynesburg and Masontown along the way.
Pennsylvania Route 48 is an 18.9-mile-long (30.4 km) state highway located in the Pittsburgh, Pennsylvania area. The route is predominantly a two-lane highway as it runs through McKeesport and other suburbs. The entire routing of PA 48 is part of the Orange Belt, both reaching their southern termini at PA 51, southeast of Elizabeth. Until 1998, the northern terminus of PA 48 was at the intersection of Old Haymaker and Center Roads, about 1/2 mile from its current terminus at U.S. Route 22 Business in Monroeville.
Pennsylvania Route 88 is a 68-mile-long (109 km) north–south state highway located in southwestern Pennsylvania. The southern terminus of the route is at U.S. Route 119 (US 119) in Point Marion less than 2 miles (3 km) from the Pennsylvania-West Virginia border. The northern terminus is at PA 51 in Pittsburgh. PA 88 runs parallel to the Monongahela River for almost its entire length.
Pennsylvania Route 885 is a 14.1-mile-long (22.69 km) north–south state highway in the U.S. state of Pennsylvania. It runs from Pennsylvania Route 837 in Clairton north to Interstate 579 in Pittsburgh. The route is entirely within Allegheny County and serves as a connector between the city of Pittsburgh and its southern suburbs.
Pennsylvania Route 136 is a 40-mile-long (64 km) state highway located in Washington, Allegheny, and Westmoreland counties in Pennsylvania. The western terminus is at US 40 and PA 18 in Washington. The eastern terminus is at US 30 in Greensburg.
Pennsylvania Route 148 is a 6.50-mile-long (10.46 km), north–south state highway located in Allegheny County, Pennsylvania. The southern terminus is at PA 48 in McKeesport. The northern terminus is at U.S. Route 30 in East McKeesport.
Pennsylvania Route 366 is a 14.8-mile-long (23.8 km) state highway located in Allegheny and Westmoreland counties in Pennsylvania. The western terminus is at PA 28 in Tarentum. The eastern terminus is at PA 66 in Murrysville. The last 1/2 mile of the Red Belt route of the Allegheny County belt system runs along PA 366 in Tarentum from its eastbound beginning at the PA 28 interchange to the intersection of Freeport Rd. and Ross St. where the Red Belt terminates.
Pennsylvania Route 481 is a 12.9-mile-long (20.8 km) state highway located in Washington County, Pennsylvania. The southern terminus is at US 40 in Centerville. The northern terminus is at PA 88/PA 136/PA 837 in Monongahela.
Pennsylvania Route 906 is a 10.6-mile-long (17.1 km) state highway located in Fayette, Westmoreland, and Allegheny counties in Pennsylvania. The southern terminus is at PA 201 in Washington Township. The northern terminus is at PA 136 in Forward Township.
PA 88 in Carroll Township 
I-376 in Pittsburgh 
US 19 / PA 51 / PA 60 in Pittsburgh
