BNSF
| BNSF Railway | 3 |
CN
| Canadian National Railways | 1 |
CNW
| Chicago & Northwestern | 3 |
CR
| Conrail | 2 |
CSS
| Chicago South Shore And South Bend | 7 |
CSX
| CSX Railroad | 4 |
FXE
| Ferromex | 1 |
GTW
| Grand Trunk Western | 1 |
IHB
| Indiana Harbor Belt | 2 |
LRWN
| Little Rock & Western | 2 |
LW
| Louisville and Wadley Railway Company | 1 |
MKT
| Missouri-Kansas-Texas | 3 |
MP
| Missouri Pacific | 1 |
NOKL
| Northwestern Oklahoma | 1 |
NS
| Norfolk Southern | 7 |
NW
| Norfolk & Western | 1 |
NYC
| New York Central | 3 |
SOU
| Southern | 1 |
TR
| Tomahawk Railway L.P. | 2 |
UP
| Union Pacific Railroad Company | 17 |
WE
| Wheeling & Lake Erie | 1 |