BN
| Burlington Northern | 27 |
CC
| Chicago Central & Pacific | 4 |
CNW
| Chicago & Northwestern | 4 |
CP
| Canadian Pacific Railway | 5 |
CR
| Conrail | 3 |
DMVW
| Dakota Missouri Valley and Western Railr | 4 |
ICE
| Iowa Chicago and Eastern | 2 |
MILW
| Milwaukee Road | 1 |
MSTL
| Minneapolis & St Louis | 3 |
RRVW
| Red River Valley and Western Railroad | 3 |
SOO
| Soo Line | 7 |