City Hall is a subway station in Philadelphia, Pennsylvania underneath Philadelphia City Hall, hence the name, with entrances on both the east and west sides of city hall as well as in the central courtyard. It is served by SEPTA's Broad Street Line. A free interchange is available between all of the subway lines here, including the Market-Frankford Line and all Subway Surface Trolley Lines at 15th Street. The stations are by an underground passage, the same underground passage provides raiders with a link to the concourses at Suburban Station, and SEPTA's Regional Rail system, though a transfer between the lines would require additional fare. This article describes subways as mass transit lines. ... Independence Hall, as it appears today. ... Philadelphia City Hall is the seat of government for Philadelphia, Pennsylvania. ... For the abbreviation SEPTA, see SEPTA. A septum, in general, is a wall separating two cavities or two spaces containing a less dense material. ... Broad Street Line Map ©SEPTA 2004 The Southeastern Pennsylvania Transportation Authoritys Broad Street Line (BSL) (also known as the Broad Street Subway (BSS) or Orange Line) runs from Fern Rock Transportation Center in northern Philadelphia, Pennsylvania to Pattison Avenue in South Philadelphia, adjacent to several stadiums. ... This article describes subways as mass transit lines. ... Market-Frankford Line Map ©SEPTA 2004 The Market-Frankford Line (MFL) (also called the Market-Frankford Subway-Elevated Line (MFSE), El or Blue Line) is a transit line in Philadelphia, Pennsylvania, run by SEPTA. It begins at 69th Street Terminal just west of the city line in Upper Darby and... There are 5 subway-surface lines within the SEPTA system. ... Suburban Station Suburban Station is an underground commuter rail station located on John F Kennedy Boulevard between 16th and 17th Streets. ... A map of the system The Southeastern Pennsylvania Transportation Authority (SEPTA) Regional Rail Division provides commuter rail service on 13 branches to over 150 active stations in Philadelphia its suburbs. ...