ATW
| Atlantic and Western | 7 |
BHRR
| Birmingham Terminal Railway | 2 |
BS
| Birmingham Southern RR | 1 |
CAGY
| Columbus & Greenville Railway | 2 |
CR
| Conrail | 137 |
CSS
| Chicago South Shore And South Bend | 1 |
CSX
| CSX Railroad | 13 |
EJE
| Elgin Joliet and Eastern | 2 |
GRW
| Gary Railway | 6 |
GTW
| Grand Trunk Western | 1 |
IHB
| Indiana Harbor Belt | 1 |
KCS
| Kansas City Southern | 13 |
MP
| Missouri Pacific | 1 |
NOKL
| Northwestern Oklahoma | 1 |
NS
| Norfolk Southern | 58 |
NW
| Norfolk & Western | 9 |
NYC
| New York Central | 37 |
SMW
| St Marys Railway West LLC | 16 |
SOU
| Southern | 5 |
TFM
| Kansas City Southern De Mexico | 1 |
UP
| Union Pacific Railroad Company | 7 |
WRWK
| Providence & Worchester Railroad | 7 |