Philadelphia Subdivision

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Coordinates: 39°54′10.2″N 75°8′24.1″W / 39.902833°N 75.140028°W / 39.902833; -75.140028

Philadelphia Subdivision
Type Freight rail
System CSX Transportation
Status Operational
Locale Pennsylvania, Delaware, and Maryland
Termini Philadelphia, Pennsylvania
Baltimore, Maryland
Owner CSX Transportation
Operator(s) CSX Transportation
Number of tracks 1-2
Track gauge 1,435 mm (4 ft 8 12 in) standard gauge
Route map
MP (Milepost)
Park Junction
Harrisburg Line, Trenton Subdivision
Eakins Oval
I-676 / US 30
SEPTA Regional Rail
PA 3 (JFK Blvd.)
PA 3 (Market Street)
Chestnut Street
Walnut Street
South Street
Harrisburg Subdivision
3.3 Harrisburg Subdivision
B&O Railroad Bridge
over Schuylkill River
Amtrak Northeast Corridor
Wilmington/Newark Line
Cobbs Creek
Darby Creek
US 13
SEPTA Route 102
PA 420
PA 320
PA 352
Chester Creek
US 322
PA 452
PA 491
DE 92
DE 3
DE 202
I-95 / US 202
Brandywine Creek
DE 52
DE 48
28.5 East Penn Railway
DE 2
East Penn Railway
East Penn Railway
DE 100
DE 141
30.7 Wilmington & Western RR
DE 62
Red Clay Creek
DE 7
White Clay Creek
DE 2 / DE 72
DE 896
DE 273
MD 277
MD 213
MD 545
MD 272
MD 222
57.7 Port Deposit Branch
CSX Susquehanna River Bridge
over Susquehanna River
MD 155
Havre de Grace
MD 22
MD 132
MD 7
MD 543
MD 24
MD 152
MD 43
US 40
90.3 Baltimore Terminal Sub.
The CSX Susquehanna River Bridge, built between 1907 and 1910 near Perryville, Maryland.

The Philadelphia Subdivision is a railroad line owned and operated by CSX Transportation in the U.S. states of Pennsylvania, Delaware, and Maryland. The line runs from Philadelphia, Pennsylvania southwest to Baltimore, Maryland along a former Baltimore and Ohio Railroad (B&O) line.[1]

At its north end CP NICE, near the Nicetown section of Philadelphia, the Philadelphia Subdivision becomes the Trenton Subdivision; The south end of the Philadelphia Subdivision is near Bay View Yard, where the Baltimore Terminal Subdivision begins.[2] [3]


The line was built by the Baltimore and Philadelphia Railroad in Pennsylvania and as a branch of the B&O Railroad in Delaware and Maryland. The line began full operation in 1886.[4] North of Philadelphia, the B&O used the lines of the Philadelphia and Reading Railway to reach the New York City area. Passenger train service on the Philadelphia Subdivision was led by the Royal Blue, its flagship train. The B&O ceased operation of passenger trains on the subdivision in 1958, and since then the line has been used only for freight trains.

In the 1970s and 80s the line passed through leases and mergers to CSX.

Communities such as Aberdeen, Maryland are making an effort to preserve the former Baltimore and Ohio railroad stations.

A former B&O Railroad station in Aberdeen, Maryland.

See also[edit]