AOK
| Arkansas-Oklahoma Railroad | 3 |
BNSF
| BNSF Railway | 1 |
CBFX
| THE CIT GROUP/EQUIPMENT FINANCING INC | 1 |
CHTT
| Chicago Heights Terminal Transfer | 5 |
CSX
| CSX Railroad | 2 |
GRW
| Gary Railway | 3 |
NS
| Norfolk Southern | 6 |
UP
| Union Pacific Railroad Company | 1 |
WRWK
| Providence & Worchester Railroad | 1 |