AOK
| Arkansas-Oklahoma Railroad | 1 |
BN
| Burlington Northern | 4 |
CNW
| Chicago & Northwestern | 2 |
CSS
| Chicago South Shore And South Bend | 3 |
CSX
| CSX Railroad | 3 |
EJE
| Elgin Joliet and Eastern | 4 |
ICE
| Iowa Chicago and Eastern | 1 |
IHB
| Indiana Harbor Belt | 1 |
IMRL
| I&M Rail Link | 1 |
NS
| Norfolk Southern | 2 |
NYC
| New York Central | 1 |
WC
| Wisconsin Central | 1 |
WE
| Wheeling & Lake Erie | 1 |