AOK
| Arkansas-Oklahoma Railroad | 4 |
ATSF
| Atchison Topeka & Santa Fe | 4 |
ATW
| Atlantic and Western | 11 |
BN
| Burlington Northern | 8 |
BNSF
| BNSF Railway | 73 |
BS
| Birmingham Southern RR | 1 |
CAGY
| Columbus & Greenville Railway | 4 |
CHTT
| Chicago Heights Terminal Transfer | 1 |
CN
| Canadian National Railways | 4 |
CNW
| Chicago & Northwestern | 1 |
COER
| Crab Orchard & Egyptian | 5 |
CR
| Conrail | 8 |
CSS
| Chicago South Shore And South Bend | 10 |
CSX
| CSX Railroad | 5 |
CTRN
| Union Pacific Railroad Company | 2 |
FXE
| Ferromex | 2 |
GTW
| Grand Trunk Western | 6 |
HS
| H and S Railroad Company | 2 |
IC
| Illinois Central | 1 |
KCS
| Kansas City Southern | 3 |
LW
| Louisville and Wadley Railway Company | 7 |
MP
| Missouri Pacific | 1 |
NOKL
| Northwestern Oklahoma | 6 |
NS
| Norfolk Southern | 12 |
NYC
| New York Central | 3 |
TFM
| Kansas City Southern De Mexico | 1 |
TR
| Tomahawk Railway L.P. | 5 |
UP
| Union Pacific Railroad Company | 15 |
WCTR
| WCTU Company White City Terminal Railway | 8 |
WRWK
| Providence & Worchester Railroad | 2 |