AM
| Arkansas & Missouri | 1 |
CRLE
| Coe Rail Incorporated | 1 |
CSX
| CSX Railroad | 1 |
GVSR
| Galveston Railroad L.P. | 1 |
MDW
| Minnesota Dakota and Western Railway Com | 2 |
NOKL
| Northwestern Oklahoma | 2 |
NS
| Norfolk Southern | 2 |
SLC
| San Luis Central Railroad Company | 1 |
SP
| Southern Pacific | 22 |
SRN
| Sabine River & Northern | 2 |
SSW
| St Louis Southwestern (Cotton Belt) | 3 |
WP
| Western Pacific | 4 |