|
AMTK
| Amtrak | 2 |
|
BO
| Baltimore & Ohio | 4 |
|
CNJ
| Central Rail Road of New Jersey | 2 |
|
CO
| Chesapeake & Ohio | 4 |
|
CR
| Conrail | 10 |
|
CSX
| CSX Railroad | 2 |
|
MNCW
| Metro-North Commuter Railroad | 2 |
|
NS
| Norfolk Southern | 11 |
|
NW
| Norfolk & Western | 13 |
|
OMID
| Ontario Midland Railroad Corporation | 3 |
|
PC
| Penn Central | 1 |
|
PRR
| Pennsylvania Railroad | 7 |
|
RDG
| Reading Railroad | 4 |
|
SAL
| Seaboard Air Line | 4 |
|
SIRT
| Staten Island Rapid Transit | 5 |
|
SLRS
| SMS Rail Service Incorporated | 1 |
|
SOU
| Southern | 2 |
|
SRC
| Strasburg Railroad | 6 |
|
WATC
| Washington Terminal Company | 1 |
|
WM
| Western Maryland | 3 |
