AOK
| Arkansas-Oklahoma Railroad | 1 |
ATW
| Atlantic and Western | 2 |
CAGY
| Columbus & Greenville Railway | 1 |
COER
| Crab Orchard & Egyptian | 1 |
CR
| Conrail | 44 |
EJE
| Elgin Joliet and Eastern | 1 |
GTW
| Grand Trunk Western | 1 |
NKLX
| NKLX | 3 |
NOKL
| Northwestern Oklahoma | 1 |
NS
| Norfolk Southern | 82 |
NW
| Norfolk & Western | 5 |
SOU
| Southern | 4 |
WRWK
| Providence & Worchester Railroad | 1 |