CNA
| Canadian National Railways | 4 |
CR
| Conrail | 10 |
CSX
| CSX Railroad | 12 |
GTW
| Grand Trunk Western | 14 |
MILW
| Milwaukee Road | 1 |
MP
| Missouri Pacific | 2 |
NS
| Norfolk Southern | 64 |
NW
| Norfolk & Western | 4 |
NYC
| New York Central | 6 |
SOU
| Southern | 1 |
SP
| Southern Pacific | 12 |
UP
| Union Pacific Railroad Company | 2 |