AOK
| Arkansas-Oklahoma Railroad | 1 |
ATW
| Atlantic and Western | 1 |
BN
| Burlington Northern | 1 |
BNSF
| BNSF Railway | 1 |
CN
| Canadian National Railways | 1 |
CR
| Conrail | 4 |
CSS
| Chicago South Shore And South Bend | 2 |
CSX
| CSX Railroad | 5 |
GRW
| Gary Railway | 1 |
IC
| Illinois Central | 1 |
KCS
| Kansas City Southern | 2 |
NKLX
| NKLX | 2 |
NS
| Norfolk Southern | 12 |
NYC
| New York Central | 1 |
SMW
| St Marys Railway West LLC | 1 |
SOU
| Southern | 3 |
WFRX
| WELLS FARGO RAIL CORPORATION | 1 |
WRWK
| Providence & Worchester Railroad | 3 |