• Rail infrastructure on the National Register of Historic Places in Pennsylvania (1 C, 7 P)

A

• Airport Line (SEPTA) (1 C, 1 P)

B

• Railway buildings and structures in Pennsylvania (5 C)

C

• Chestnut Hill West Line (1 C, 1 P)

D

• Doylestown Line (1 C)

F

• Fort Wayne Line (2 P)

K

• Keystone Corridor (3 C, 1 P)

N

• Northeast Corridor (1 C, 18 P)

P

• Philadelphia to Harrisburg Main Line (1 C, 5 P)
• Pittsburgh Line (1 C, 2 P)

R

• Rail yards in Pennsylvania (9 P)
• Railway inclines in Pittsburgh (27 P)

S

• SEPTA Main Line (1 C, 1 P)

W

• Warminster Line (1 C, 1 P)
• West Chester Line (1 C)

A

• Allentown branch
• Altoona Works

B

• Bedford Branch
• Buffalo Line

C

• Catasauqua Branch
• Chartiers Branch
• Chester Creek Branch
• Chestnut Hill East Branch
• Cleveland Line (Norfolk Southern)
• Colebrookdale branch
• Conemaugh Line
• Crescent Corridor

D

• Delaware Extension

E

• Enola Branch
• Erie West Subdivision

F

• Fort Wayne Line
• Fox Chase Branch
• Frankford Branch
• Frankford Junction station

H

• Hanover Subdivision
• Harrisburg Line
• Harrisburg Subdivision
• Horseshoe Curve (Pennsylvania)

J

• Jamestown and Franklin Railroad

K

• Keystone Subdivision

L

• Lake Shore Subdivision
• Lebanon and Tremont Branch
• Lebanon Valley Branch
• Lehigh Division
• Lehigh Line (Norfolk Southern)
• Lurgan Branch
• Lurgan Subdivision

M

• Mahanoy Plane
• Mahoning Coal Railroad
• Main Line (Pennsylvania Railroad)
• Main Line (Pittsburgh to St. Louis)
• Main Line (Reading Company)
• Mon Line
• Muleshoe Curve

N

• National Gateway
• Neshaminy Line
• New Castle Branch (Pennsylvania Railroad)
• New Castle Subdivision
• New York Branch
• New York Short Line
• Newtown Square Branch
• Ninth Street Branch
• Norristown Branch
• North Shore Connector
• North Western Railroad
• Northeast Corridor
• Northern Subdivision (Pennsylvania)

P

• P&W Subdivision
• Philadelphia Subdivision
• Philadelphia to Harrisburg Main Line
• Pittsburgh Line
• Pittsburgh Subdivision
• Port Perry Branch

R

• Reading Belt Branch
• Reading Division
• Reading Line

S

• Sand Patch Grade
• S&C Subdivision
• Schuylkill Branch
• SEPTA's 25 Hz traction power system
• Slateford Junction
• Southern Tier Line
• Stoney Creek Secondary
• Stony Creek Branch
• Sunbury Line (Norfolk Southern)

T

• Trenton Subdivision (CSX Transportation)

W

• W&P Subdivision
• Warminster Branch
• Whitehall Branch
• Williams Valley Railroad
• Wilmington and Northern Branch