Keystone Corridor

Keystone Corridor
The Keystone Corridor in Rosemont, Pennsylvania
Overview
StatusOperating
Owner
LocalePennsylvania, U.S.
Termini
Stations39 (15 Amtrak, 19 SEPTA, 5 shared)
Service
TypeHigher-speed rail, commuter rail, inter-city rail
Services
History
Opened1915
Technical
Line length349 miles (562 km)
Track gauge4 ft 8+12 in (1,435 mm) standard gauge
ElectrificationOverhead line, 12 kV 25 Hz AC (east of Harrisburg)
Operating speed110 mph (180 km/h) (top)
Route map

NS Fort Wayne Line
to CP Penn Junction
353.0
Amtrak
322.0
Amtrak
312.0
Amtrak
271.0
Amtrak
236.0
Amtrak
222.0
Amtrak
202.0
Amtrak
165.0
Amtrak
104.0
Amtrak
94.0
Amtrak
86.0
Amtrak
80.0
Amtrak
68.0
Amtrak
42.0
Amtrak
BV RR Industrial Track
38.0
Amtrak
35.2
32.8
Amtrak
28.7
27.7
Amtrak
21.8
19.9
Amtrak
18.6
17.5
16.4
15.4
14.5
13.7
13.0
12.0
10.9
10.1
9.1
8.5
Amtrak
7.4
6.8
6.0
5.4
SEPTA Overbrook Yard
CYN
52nd Street (Closed 1980)
0.9
Amtrak
0.0

The Keystone Corridor is a 349-mile (562 km) railroad corridor between Philadelphia and Pittsburgh, Pennsylvania, that consists of two rail lines: Amtrak and SEPTA's Philadelphia-to-Harrisburg main line, which hosts SEPTA's Paoli/Thorndale Line commuter rail service, and Amtrak's Keystone Service and Pennsylvanian inter-city trains; and the Norfolk Southern Pittsburgh Line. The corridor was originally the Main Line of the Pennsylvania Railroad.

Since 2006, the line has been one of the high-speed corridors designated by the Federal Railroad Administration (FRA). The 24-mile section of track from Lancaster to Parkesburg permits trains of up to 110 miles per hour (180 km/h),[citation needed] while the 19-mile section between Paoli and Philadelphia allows up to 90 miles per hour (140 km/h).[citation needed]

Amtrak runs two intercity rail services along the Keystone Corridor: the Harrisburg-to-New York City Keystone Service and the Pittsburgh-to-New York City Pennsylvanian. SEPTA operates daily Paoli/Thorndale commuter rail service between Philadelphia and Thorndale on the Philadelphia-to-Harrisburg main line. The towns along this stretch form a socio-cultural region called the "Philadelphia Main Line".

The tracks from Pittsburgh to Harrisburg are owned and maintained by Norfolk Southern, which acquired them from Conrail. They include the Horseshoe Curve west of Altoona. The tracks between Harrisburg and Philadelphia are owned and maintained by Amtrak, and are the only part of the Keystone Corridor that is electrified. The tracks join the Northeast Corridor at Zoo Interlocking near the Philadelphia Zoo and 30th Street Station.