AOK
| Arkansas-Oklahoma Railroad | 1 |
BNSF
| BNSF Railway | 1 |
CNW
| Chicago & Northwestern | 3 |
CSX
| CSX Railroad | 1 |
FURX
| First Union Rail | 1 |
GCTX
| General Chemical Corporation | 1 |
IC
| Illinois Central | 1 |
SP
| Southern Pacific | 3 |
SSW
| St Louis Southwestern (Cotton Belt) | 9 |
UP
| Union Pacific Railroad Company | 1 |