Allegheny County is a county in Pennsylvania, United States. 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. The county is part of the Greater Pittsburgh region of the commonwealth, and is the center of the Pittsburgh media market.
Mount Oliver is a borough in Allegheny County, Pennsylvania, United States. The population was 3,394 at the 2020 census. It is a largely residential area situated atop a crest about 3 miles (5 km) west of the Monongahela River. The borough is surrounded entirely by the city of Pittsburgh, having resisted annexation attempts by the city.
The Carnegie Library of Pittsburgh is the public library system in Pittsburgh, Pennsylvania. Its main branch is located in the Oakland neighborhood of Pittsburgh, and it has 19 branch locations throughout the city. Like hundreds of other Carnegie libraries, the construction of the main library, which opened in 1895, and several neighborhood branches, was funded by industrialist Andrew Carnegie. The Pittsburgh area houses the first branches in the United States.
Brookline is a neighborhood in the South Hills of Pittsburgh, Pennsylvania, United States. It takes its name from the town in Massachusetts, which early settlers felt bore a resemblance to the area.
Bon Air is a neighborhood in the south portion of Pittsburgh, Pennsylvania, United States. Its two zip codes are 15226 and 15210, and it is represented in the Pittsburgh City Council by the council member for District 4.
Duquesne Heights is a neighborhood in Pittsburgh, Pennsylvania's south city area. It has a zip code of 15211, and has representation on Pittsburgh City Council by the council member for District 2.
Knoxville is a neighborhood in southern Pittsburgh, Pennsylvania, United States. It is part of zip code 15210, and has representation on Pittsburgh City Council by the council member for District 3.
Carrick High School is a public school in the Carrick neighborhood of Pittsburgh.
Pittsburgh Railways was one of the predecessors of Pittsburgh Regional Transit. It had 666 PCC cars, the third largest fleet in North America. It had 68 streetcar routes, of which only three are used by the Port Authority as light rail routes. With the Port Authority's Transit Development Plan, many route names will be changed to its original, such as the 41D Brookline becoming the 39 Brookline. Many of the streetcar routes have been remembered in the route names of many Port Authority buses.
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 Plant and the USS Clairton Coke Works.
Brashear High School is a large, urban, magnet, public school in the Beechview neighborhood of Pittsburgh, Pennsylvania, United States. Brashear is one of four high schools in the Pittsburgh Public Schools. In the 2010–2011 school year, the school had 1,214 pupils with 615 males and 566 females. It employed 87 teachers. Since then, the school has acquired students from the transition with Langley High School. It is currently the largest high school in the district, with approximately 1,480 students and 105 teachers.
The Pittsburgh Light Rail is a 26.2-mile (42.2 km) light rail system in Pittsburgh, Pennsylvania, and surrounding suburbs. It operates as a deep-level subway in Downtown Pittsburgh, but runs mostly at-grade in the suburbs south of the city. The system is largely linear in a north-south direction, with one terminus near Pittsburgh's central business district and two termini in the South Hills. The system is owned and operated by Pittsburgh Regional Transit. The T is one of the surviving first-generation streetcar systems in North America, with the oldest portions of the network dating back to 1903 and the Pittsburgh Railways. It is also one of only three light rail systems in the United States that continues to use the broad 5 ft 2+1⁄2 in Pennsylvania Trolley Gauge on its lines instead of the 4 ft 8+1⁄2 instandard gauge. In 2023, the system had a ridership of 3,417,100.
The Red Line is a line on the Pittsburgh Light Rail system that runs between South Hills Village and Downtown Pittsburgh via the Beechview neighborhood. The companion route, the Blue Line, branches off north of Martin Villa – which closed in 2012 – and runs through Overbrook. In March 2007, the closure of the Palm Garden Bridge for refurbishment suspended the Red Line for five months; it resumed service in September.
West Liberty Borough was a borough in Allegheny County, Pennsylvania, United States from 1876 to 1909. West Liberty Borough was incorporated on March 7, 1876 from the western part of Lower St. Clair Township. The borough was a small village along the Pittsburgh and Washington Road near Mount Washington. West Liberty Borough was absorbed by the city of Pittsburgh in 1909. It is today the Brookline neighborhood, Bon Air neighborhood, and part of the Beechview neighborhood.
Longfellow, Alden & Harlow, of Boston, Massachusetts, and Pittsburgh, Pennsylvania, was the architectural firm of Alexander Wadsworth Longfellow Jr. (1854–1934), Frank Ellis Alden (1859–1908), and Alfred Branch Harlow (1857–1927). The firm, successors to H. H. Richardson, continued to provide structures in the Romanesque revival style established by Richardson that is often referred to as Richardsonian Romanesque.
The South Busway is a two-lane bus rapid transit highway serving southern portions of the city of Pittsburgh. The busway runs for 4.3 miles (6.9 km) from the Mt. Washington Transit Tunnel across the Monongahela River from Downtown Pittsburgh to the Overbrook neighborhood of the city, bypassing the crowded Pennsylvania Route 51. It is owned and maintained by Pittsburgh Regional Transit, the public transit provider for Allegheny County and the Pittsburgh region.
The Blue Line is a Pittsburgh Light Rail line that runs between Downtown Pittsburgh via the Overbrook neighborhood to South Hills Village.
Mount Washington is a neighborhood in the southern region of Pittsburgh, Pennsylvania. It has a Zip Code of 15211 and has representation on Pittsburgh City Council by both the council members for District 3 and District 2.
The Silver Line is a line on the Pittsburgh Light Rail system that runs between Downtown Pittsburgh through the Overbrook neighborhood to Library. It is the renamed service for the former Blue Line –Library branch.
