BHRR
| Birmingham Terminal Railway | 1 |
BS
| Birmingham Southern RR | 11 |
CN
| Canadian National Railways | 9 |
CP
| Canadian Pacific Railway | 23 |
CR
| Conrail | 1445 |
CSX
| CSX Railroad | 51 |
EJE
| Elgin Joliet and Eastern | 5 |
IANR
| Iowa Northern Ry | 1 |
NOKL
| Northwestern Oklahoma | 19 |
NS
| Norfolk Southern | 100 |
NYC
| New York Central | 128 |
SOO
| Soo Line | 1 |
SOU
| Southern | 34 |
SPSX
| Progress Rail Services Corp | 1 |
UP
| Union Pacific Railroad Company | 1 |
WCTR
| WCTU Company White City Terminal Railway | 3 |