ATSF
| Atchison Topeka & Santa Fe | 48 |
BN
| Burlington Northern | 6 |
BNSF
| BNSF Railway | 86 |
CN
| Canadian National Railways | 1 |
CNW
| Chicago & Northwestern | 83 |
CR
| Conrail | 80 |
CSX
| CSX Railroad | 12 |
CTW
| CTW | 1 |
DTI
| Detroit Toledo & Ironton | 1 |
EJE
| Elgin Joliet and Eastern | 388 |
FURX
| First Union Rail | 34 |
GRW
| Gary Railway | 390 |
GTW
| Grand Trunk Western | 449 |
IC
| Illinois Central | 1 |
ICG
| Illinois Central Gulf | 8 |
IHB
| Indiana Harbor Belt | 3 |
LRWN
| Little Rock & Western | 10 |
MKT
| Missouri-Kansas-Texas | 17 |
MP
| Missouri Pacific | 69 |
NS
| Norfolk Southern | 532 |
NSAX
| National Steel Corporation | 22 |
NW
| Norfolk & Western | 224 |
NYC
| New York Central | 36 |
OHCR
| Ohio Central | 13 |
SCIH
| South Chicago & Indiana Harbor Railway C | 7 |
SOU
| Southern | 1 |
UP
| Union Pacific Railroad Company | 194 |
WFRX
| WELLS FARGO RAIL CORPORATION | 5 |