BO
| Baltimore & Ohio | 2 |
CNJ
| Central Rail Road of New Jersey | 4 |
CR
| Conrail | 5 |
CSX
| CSX Railroad | 2 |
DL
| Delaware-Lackawanna Railroad Company | 1 |
EL
| Erie Lackawanna | 5 |
LR
| LR | 1 |
LV
| Lehigh Valley | 2 |
PRR
| Pennsylvania Railroad | 6 |
RBMN
| Reading Blue Mountain & Northern | 4 |
RDG
| Reading Railroad | 12 |
SOU
| Southern | 2 |