AMTK
| Amtrak | 6 |
ATSF
| Atchison Topeka & Santa Fe | 6 |
BN
| Burlington Northern | 1 |
BNSF
| BNSF Railway | 17 |
CNW
| Chicago & Northwestern | 27 |
CP
| Canadian Pacific Railway | 1 |
GREX
| Georgetown Rail Equipment Company | 27 |
HZGX
| Herzog Contracting Corporation | 19 |
MILW
| Milwaukee Road | 3 |
SI
| Union Pacific Railroad Company (Spokane International) | 8 |
SOO
| Soo Line | 1 |
UP
| Union Pacific Railroad Company | 6 |