Allegheny County is a county in Pennsylvania, United States. It is located in Southwestern Pennsylvania. As of the 2020 census, the population was 1,250,578, making it the state's second-most populous county, after Philadelphia County. Its county seat and most populous city is Pittsburgh, Pennsylvania's second most populous city. Allegheny County is the center of the Pittsburgh, PA metropolitan statistical area and the Pittsburgh media market.
Clairton is a city in Allegheny County, Pennsylvania, United States. It is located along the Monongahela River and is part of the Pittsburgh metropolitan area. The population was 6,181 at the 2020 census. Under Pennsylvania legal classifications for local governments, Clairton is considered a third-class city. It is home to Clairton Works operated by U.S. Steel, the largest coke manufacturing facility in the United States.
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.
Connellsville is a city in Fayette County, Pennsylvania, United States, 36 miles (58 km) southeast of Pittsburgh and 50 miles (80 km) away via the Youghiogheny River, a tributary of the Monongahela River. It is part of the Pittsburgh metropolitan area. The population was 7,031 at the 2020 census.
Kennedy Township is a township in Allegheny County, Pennsylvania, United States, located 10 miles west of Pittsburgh and 12 miles east of Pittsburgh International Airport. The population was 8,701 at the 2020 United States Census.
The Montour Railroad was a short line railroad company operating passenger and freight service in southwestern Pennsylvania. At its height in the 1930s, the railroad served 27 mines transporting nearly seven million tons of coal annually in Allegheny and Washington Counties.
Imperial is a census-designated place (CDP) in Allegheny County, Pennsylvania, United States and part of the Pittsburgh metropolitan area. The population was 2,722 at the 2020 census. The CDP is located in North Fayette and Findlay Townships, and geographically close to Pittsburgh International Airport.
The Great Allegheny Passage (GAP) is a 150-mile (240 km) rail trail between Pittsburgh, Pennsylvania and Cumberland, Maryland. Together with the C&O Canal towpath, the GAP is part of a 335 mi (539 km) route between Pittsburgh and Washington, D.C., that is popular with through hikers and cyclists.
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.
Pennsylvania Route 576 (PA Turnpike 576), also known as the Southern Beltway, is a controlled-access toll road in the southern and western suburbs of Pittsburgh, Pennsylvania, United States. It is envisioned to serve as a southern beltway around the Greater Pittsburgh area between Pittsburgh International Airport and the historic Steel Valley of the Monongahela River.
Rennerdale is an unincorporated community and census-designated place in Collier Township, Allegheny County, Pennsylvania, United States, about 9 miles (14 km) southwest of Pittsburgh. As of the 2020 census it had a population of 1,103.
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.
The Allegheny Intermediate Unit (AIU) is a branch of the Pennsylvania Department of Education, and is the largest of the 29 intermediate units in Pennsylvania. It was created by the state’s General Assembly in 1971, and is headquartered in Homestead.
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.
The Panhandle Trail is a rail trail in southern Pennsylvania and the Northern Panhandle of West Virginia. It occupies an abandoned railroad corridor that had been known as the Panhandle route which has been converted to a bicycle and walking trail. The rail line between Burgettstown and Weirton was closed in 1994, but Burgettstown to Walkers Mill closed in 1996. The original section of the trail is the West Virginia section, where the trail was called the Harmon Creek Trail, for the adjacent Harmon Creek. When Pennsylvania built its section, both states agreed to call it the Panhandle Trail. Although the Panhandle Trail occupies 29 miles of the Panhandle Route, the remaining portion of the route is owned by the Pittsburgh and Ohio Central Railroad, but it is no longer used.
The Beaver River Trail is a rail trail located in the city of Beaver Falls, Pennsylvania, United States. As of 2011, the trail is about 1.4-mile (2.3 km) long.
The Westmoreland Heritage Trail is a partially completed rail trail in southwestern Pennsylvania. As of 2019, 18.0 miles of the 21.9 planned miles of trail are complete, including an 8.7 mile section from Saltsburg to the fringe of Delmont as well as a 9.3 mile section from Trafford to Export.
The Brilliant Branch, also known as the Brilliant Cutoff, is a railway line in Pittsburgh and Aspinwall, Pennsylvania. It connects the Pittsburgh Line to the Conemaugh Line and to Allegheny Valley Railroad's Allegheny Subdivision.
