AMTK
| Amtrak | 14 |
ATSF
| Atchison Topeka & Santa Fe | 2 |
BNSF
| BNSF Railway | 1 |
CP
| Canadian Pacific Railway | 1 |
DWC
| Canadian National Railways | 8 |
HCSX
| Helm Chesapeake LLP | 1 |
IC
| Illinois Central | 3 |
MP
| Missouri Pacific | 1 |
SLSF
| Saint Louis-San Francisco | 1 |
SRN
| Sabine River & Northern | 1 |
SRY
| Southern Railway of British Columbia Lim | 1 |
TBOX
| TTX Company | 3 |