ANR
| Angelina and Neches River Railroad | 1 |
CMQ
| CENTRAL MAINE & QUEBEC RAILWAY | 1 |
CNA
| Canadian National Railways | 3 |
COER
| Crab Orchard & Egyptian | 16 |
CSX
| CSX Railroad | 3 |
DWC
| Canadian National Railways | 1 |
FBOX
| TTX Company | 2 |
GTW
| Grand Trunk Western | 1 |
KCS
| Kansas City Southern | 1 |
NOKL
| Northwestern Oklahoma | 1 |
NS
| Norfolk Southern | 1 |
TR
| Tomahawk Railway L.P. | 2 |
WC
| Wisconsin Central | 7 |
YKR
| York Rail | 1 |