ALY
| Allegheny and Eastern Railroad Incorpora | 1 |
BN
| Burlington Northern | 2 |
BNSF
| BNSF Railway | 1 |
CP
| Canadian Pacific Railway | 2 |
CW
| Colorado and Wyoming | 1 |
IC
| Illinois Central | 1 |
MP
| Missouri Pacific | 2 |
SSW
| St Louis Southwestern (Cotton Belt) | 1 |
TTPX
| TTX Company - Bulkhead Flats | 38 |
UP
| Union Pacific Railroad Company | 12 |