AOK
| Arkansas-Oklahoma Railroad | 1 |
BNSF
| BNSF Railway | 9 |
CHTT
| Chicago Heights Terminal Transfer | 3 |
CN
| Canadian National Railways | 1 |
COER
| Crab Orchard & Egyptian | 7 |
CR
| Conrail | 2 |
CSS
| Chicago South Shore And South Bend | 3 |
CSX
| CSX Railroad | 21 |
EJE
| Elgin Joliet and Eastern | 2 |
GTW
| Grand Trunk Western | 1 |
IHB
| Indiana Harbor Belt | 24 |
KCS
| Kansas City Southern | 1 |
LW
| Louisville and Wadley Railway Company | 4 |
NS
| Norfolk Southern | 6 |
SOU
| Southern | 1 |
SP
| Southern Pacific | 8 |
TR
| Tomahawk Railway L.P. | 1 |
UP
| Union Pacific Railroad Company | 7 |
WRWK
| Providence & Worchester Railroad | 2 |