AOK
| Arkansas-Oklahoma Railroad | 3 |
ATW
| Atlantic and Western | 1 |
CAGY
| Columbus & Greenville Railway | 2 |
CR
| Conrail | 13 |
GTW
| Grand Trunk Western | 1 |
HS
| H and S Railroad Company | 1 |
KCS
| Kansas City Southern | 1 |
NDYX
| First Union Rail | 1 |
NS
| Norfolk Southern | 26 |
NW
| Norfolk & Western | 4 |
NYC
| New York Central | 3 |
SOU
| Southern | 3 |
TFM
| Kansas City Southern De Mexico | 2 |
WE
| Wheeling & Lake Erie | 1 |
WRWK
| Providence & Worchester Railroad | 3 |