Philadelphia, commonly referred to as Philly, is the most populous city in the U.S. state of Pennsylvania and the second-most populous city in the Northeast megalopolis and Mid-Atlantic regions after New York City. Philadelphia is known for its extensive contributions to United States history, especially the American Revolution, and served as the nation's capital until 1800. It maintains contemporary influence in business and industry, culture, sports, and music. Philadelphia is the nation's sixth-most populous city with a population of 1,603,797 as of the 2020 census and is the urban core of the larger Delaware Valley, the nation's seventh-largest and one of the world's largest metropolitan regions consisting of 6.245 million residents in the metropolitan statistical area and 7.366 million residents in its combined statistical area.
Interstate 676 (I-676) is an Interstate Highway that serves as a major thoroughfare through Center City Philadelphia, where it is known as the Vine Street Expressway, and Camden, New Jersey, where it is known as the northern segment of the North–South Freeway, as well as the Martin Luther King Jr. Memorial Highway in honor of civil rights leader Martin Luther King Jr. Its western terminus is at I-76 in Philadelphia near the Philadelphia Museum of Art and Fairmount Park. From there, it heads east and is then routed on surface streets near Franklin Square and Independence National Historical Park, home of the Liberty Bell, before crossing the Delaware River on the Benjamin Franklin Bridge. On the New Jersey side of the bridge, the highway heads south to its southern terminus at I-76 in Gloucester City near the Walt Whitman Bridge. Between the western terminus and downtown Camden, I-676 is concurrent with U.S. Route 30 (US 30).
The Reading Viaduct, also called The Rail Park, is a disused elevated rail line in the Callowhill district of Philadelphia, Pennsylvania, United States that has been partly transformed into a rail trail.
The Center City Commuter Connection (CCCC), commonly referred to as "the commuter tunnel", is a passenger railroad tunnel in Center City, Philadelphia, Pennsylvania, United States, built to connect the stub ends of the two separate regional commuter rail systems, originally operated by two rival railroad companies: the Pennsylvania Railroad and the Reading Company. All of the SEPTA Regional Rail lines except for the Cynwyd Line pass completely through the four-track tunnel, which contains two underground stations, Suburban Station and Jefferson Station, and the above-ground upper-level concourse for the east–west commuter lines serving 30th Street Station.
Transportation in Philadelphia involves the various modes of transport within the city and its required infrastructure. In addition to facilitating intracity travel, Philadelphia's transportation system connects Philadelphia to towns of its metropolitan area and surrounding areas within the Northeast megalopolis.
University City is the easternmost portion of West Philadelphia, encompassing several Philadelphia universities. It is situated directly across the Schuylkill River from Center City.
Northern Liberties is a neighborhood in Philadelphia, Pennsylvania, United States. It is north of Center City along the Delaware River. Prior to its incorporation into Philadelphia in 1854, it was among the top 10 largest cities in the U.S. in every census from 1790 to 1850. It was a major manufacturing area that attracted many European immigrants in the late 19th and early 20th centuries. In the early 21st century, it has attracted many young professionals and new commercial and residential development
Overbrook is an historic neighborhood that is located in the Commonwealth of Pennsylvania, United States. It is situated northwest of West Philadelphia, Philadelphia.
Center City includes the central business district and central neighborhoods of Philadelphia, Pennsylvania, United States. It comprises the area that made up the City of Philadelphia prior to the Act of Consolidation, 1854, which extended the city borders to be coterminous with Philadelphia County.
Philadelphia Chinatown is a predominantly Asian American neighborhood in Center City, Philadelphia, Pennsylvania. The Philadelphia Chinatown Development Corporation supports the area. The neighborhood stretches from Vine Street on the north, Arch Street on the south; North Franklin Street and N. 7th Street on the east; to North Broad Street on the west.
Old City is a neighborhood in Center City, Philadelphia, Pennsylvania, United States, near the Delaware River waterfront. It is home to Independence National Historical Park, a dense section of historic landmarks including Independence Hall, the Liberty Bell, the First Bank of the United States, the Second Bank of the United States, and Carpenters' Hall. It also includes historic streets such as Elfreth's Alley, dating back to 1703.
Route 15, the Girard Avenue Line, is a trolley line operated by the Southeastern Pennsylvania Transportation Authority (SEPTA) along Girard Avenue through North and West Philadelphia, Pennsylvania, United States. As of 2007, it is the only surface trolley line in the City Transit Division that is not part of the Subway–Surface Trolley Lines. SEPTA PCC II vehicles are used on the line.
Franklin Square is one of the five original open-space parks planned by William Penn when he laid out the city of Philadelphia, Pennsylvania, in 1682. It is located in the Center City area, between North 6th and 7th streets, and between Race Street and the Vine Street Expressway (I-676).
Spring Garden is a neighborhood in central Philadelphia, Pennsylvania, bordering Center City on the north. Spring Garden is a neighborhood that combines diverse residential neighborhoods and significant cultural attractions.
Poplar is a neighborhood in Lower North Philadelphia, Pennsylvania, United States. It is located north of Callowhill, between Spring Garden/Fairmount and Northern Liberties, bounded roughly by Girard Avenue to the north, North Broad Street to the west, Spring Garden Street to the south, and 5th Street to the east. The neighborhood is predominantly residential, with commercial frontage on Broad Street and Girard Avenue and some industrial facilities to the west of the railroad tracks along Percy St. and 9th St.
Gentrification is the controversial process of affluent people moving into a historically low-income neighborhood. It is often criticized because the current residents have limited options to buy or rent equivalent housing in alternative areas at the same price. If they stay, prices for products, services, and taxes rise and existing social networks are disturbed. Gentrification is the opposite of white flight—when residents voluntarily move away as a neighborhood declines.
Callowhill Depot is a bus and trolley barn operated by the Southeastern Pennsylvania Transportation Authority (SEPTA), located in West Philadelphia, near the Delaware County border. It was built in 1913 by the Philadelphia Rapid Transit Company (PRT) and was later operated by the Philadelphia Transportation Company (PTC) before being taken over by SEPTA. The depot was constructed as part of the Thomas E. Mitten modernization program. Since its construction, the depot has suffered fire damage and reconstruction in 1949, 1950, and 1995.
Sarah McEneaney is an American artist, painter, and community activist who lives and works in Philadelphia, Pennsylvania. Working primarily in egg tempera her paintings are characterized by their autobiographical content, detailed brushwork, and brilliant color. McEneaney's intimate subject matter focuses on daily scenes from her home, studio, travels, and neighborhood. Her work is included in public collections such as the Philadelphia Museum of Art and she has received numerous grants and awards. McEneaney is also active in community work, including the formation of the Callowhill Neighborhood Association in 2001, and the co-founding of the Reading Viaduct Project in 2003.
The 30th Street Station District, also referred to as the 30th Street District, is a master planned urban development centered around 30th Street Station located in West Philadelphia in Philadelphia, Pennsylvania, United States. The area, if approved and built, will be home to eight modern skyscrapers or high rises ranging in heights between 405 ft and1,200 ft with four other buildings under 400 feet. The property will be owned by Amtrak and will be a major addition to the City of Philadelphia. The project is expected to cost between seven and eleven billion dollars.
United States 
