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Market-Frankford Subway

Market–Frankford Line
MarketFrankfordLine.svg
Spring Garden SEPTA station.jpg
Market–Frankford Line train arriving at Spring Garden
Overview
Type Rapid transit
Status Operational
Locale Upper Darby and Philadelphia, Pennsylvania
Termini 69th Street Transportation Center
Frankford Transportation Center
Stations 28
Daily ridership 184,668 (average weekday FY 2015)
Website www.septa.org/service/mfl/
Operation
Opened March 4, 1907
Owner City of Philadelphia
(Frankford to 15th St)
SEPTA
(15th St to 69th St)
Operator(s) 1907–39: Philadelphia Rapid Transit Co.
1940–68: Philadelphia Transportation Co.
1968–present: SEPTA
Character Elevated and underground
Technical
Line length 12.9 mi (20.76 km)
Number of tracks 2
Track gauge 5ft2.29in Pennsylvania Trolley Gauge
Minimum radius (?)
Electrification 600 V DC Third rail
Operating speed 69mph
Route map