AMTK
| Amtrak | 3 |
ATSF
| Atchison Topeka & Santa Fe | 3 |
BNSF
| BNSF Railway | 19 |
CBQ
| Chicago Burlington & Quincy | 1 |
CEBX
| Combustion Engineering Incorporated | 8 |
CRIP
| Chicago Rock Island & Pacific | 4 |
DCCX
| McDonnell Douglas Corporation | 1 |
INLX
| Incoal Company | 2 |
SOU
| Southern | 1 |
UPP
| Union Pacific Passenger | 2 |
UPRU
| Union Pacific Railroad Company | 2 |