Market-Frankford Line

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 runs on a private right-of-way to the city line. From there it is elevated over Market Street until 46th Street, where it curves off to the north and heads underground, with a portal at 44th Street. At 42nd Street, the tunnel returns to the alignment of Market Street.

Related Topics:
Philadelphia, Pennsylvania - SEPTA - 69th Street Terminal - Upper Darby - Right-of-way - Elevated

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At 32nd Street, the tunnel carrying the Subway-Surface lines joins, with its tracks adjacent to and on each side of the MFL tracks. Several stops have access to only the Subway-Surface lines, and then they end at 13th Street, just after crossing the Broad Street Line at 15th Street.

Related Topics:
Subway-Surface lines - Broad Street Line

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The Market Street tunnel continues east to Front Street, and then curves north, where it rises in the median of I-95. I-95 and the line become elevated, and the line heads under the southbound lanes and above Front Street on an elevated structure. The line turns northeast onto Kensington Avenue, which merges with Frankford Avenue. Just north of Bridge Street, a quick curve to the northwest and then to the northeast bring the line to the surface and its terminus at the Frankford Transportation Center.

Related Topics:
I-95 - Frankford Transportation Center

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During rush hours (trains beginning from approximately 7 AM to 8:30 AM and 3:45 PM to 5:15 PM), SEPTA uses skip-stop operation. Trains marked "A" stop only at the stations marked "A" on system maps, and "B" trains stop only at "B" stations. Trains run on the line approximately from 5 AM to 1 AM, and buses provide night service from midnight to 6 AM.

Related Topics:
Rush hour - Skip-stop

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