BHRR
| Birmingham Terminal Railway | 44 |
BLE
| Bessemer & Lake Erie | 1 |
BS
| Birmingham Southern RR | 27 |
CN
| Canadian National Railways | 23 |
CP
| Canadian Pacific Railway | 51 |
CR
| Conrail | 868 |
CSX
| CSX Railroad | 137 |
EJE
| Elgin Joliet and Eastern | 11 |
IANR
| Iowa Northern Ry | 4 |
NOKL
| Northwestern Oklahoma | 36 |
NS
| Norfolk Southern | 62 |
NYC
| New York Central | 402 |
PLE
| Pittsburgh & Lake Erie | 1 |
RBMN
| Reading Blue Mountain & Northern | 1 |
SOO
| Soo Line | 5 |
SOU
| Southern | 27 |
SPSX
| Progress Rail Services Corp | 1 |
UP
| Union Pacific Railroad Company | 1 |
WC
| Wisconsin Central | 5 |
WCTR
| WCTU Company White City Terminal Railway | 16 |