BNSF
| BNSF Railway | 1 |
CN
| Canadian National Railways | 1 |
CO
| Chesapeake & Ohio | 2 |
CR
| Conrail | 25 |
CSX
| CSX Railroad | 16 |
EL
| Erie Lackawanna | 1 |
MP
| Missouri Pacific | 2 |
NS
| Norfolk Southern | 22 |
NW
| Norfolk & Western | 1 |
NYC
| New York Central | 3 |
PC
| Penn Central | 3 |
RWCX
| RWC Incorporated | 10 |
SBD
| Seaboard System | 3 |
SCL
| Seaboard Coast Line | 2 |
SOU
| Southern | 8 |
UP
| Union Pacific Railroad Company | 4 |