BLE
| Bessemer & Lake Erie | 2 |
CHTT
| Chicago Heights Terminal Transfer | 1 |
CNW
| Chicago & Northwestern | 1 |
CR
| Conrail | 1 |
CSS
| Chicago South Shore And South Bend | 1 |
CSX
| CSX Railroad | 4 |
GRW
| Gary Railway | 1 |
MKT
| Missouri-Kansas-Texas | 1 |
NS
| Norfolk Southern | 1 |
NW
| Norfolk & Western | 2 |
NYC
| New York Central | 1 |
UP
| Union Pacific Railroad Company | 1 |