AOK
| Arkansas-Oklahoma Railroad | 1 |
BCOL
| Canadian National Railways | 1 |
BNSF
| BNSF Railway | 1 |
CBRY
| Copper Basin Railway | 1 |
CNA
| Canadian National Railways | 1 |
HLSC
| Hampton Railway Incorporated | 4 |
MMA
| Montreal, Maine & Atlantic | 1 |
MSRC
| Kansas City Southern | 1 |
NOKL
| Northwestern Oklahoma | 1 |
SRY
| Southern Railway of British Columbia Lim | 1 |
TTZX
| TTX Company-Centerbeam Flats | 5 |
UP
| Union Pacific Railroad Company | 1 |
WCRC
| Washington Central | 5 |