BKTY
| Union Pacific Railroad Company | 1 |
CNA
| Canadian National Railways | 4 |
CR
| Conrail | 19 |
CSX
| CSX Railroad | 6 |
DTI
| Detroit Toledo & Ironton | 1 |
GTW
| Grand Trunk Western | 8 |
IC
| Illinois Central | 1 |
ICG
| Illinois Central Gulf | 11 |
LRS
| Laurinburg and Southern | 1 |
NS
| Norfolk Southern | 8 |
NW
| Norfolk & Western | 3 |
NYC
| New York Central | 5 |
UP
| Union Pacific Railroad Company | 2 |