CN
| Canadian National Railways | 1 |
DJJX
| Joseph Transportation Incorporated | 4 |
DJTX
| Joseph Transportation Incorporated | 6 |
DRGW
| Denver & Rio Grande Western | 1 |
IC
| Illinois Central | 3 |
ICG
| Illinois Central Gulf | 1 |
MP
| Missouri Pacific | 3 |
NS
| Norfolk Southern | 17 |
SP
| Southern Pacific | 1 |
WC
| Wisconsin Central | 2 |