AGR
| Alabama and Gulf Coast | 2 |
ATSF
| Atchison Topeka & Santa Fe | 1 |
BNSF
| BNSF Railway | 3 |
CHTT
| Chicago Heights Terminal Transfer | 8 |
CN
| Canadian National Railways | 1 |
CNA
| Canadian National Railways | 9 |
CNIS
| Canadian National Railways | 1 |
CNW
| Chicago & Northwestern | 1 |
CP
| Canadian Pacific Railway | 1 |
CR
| Conrail | 12 |
CSX
| CSX Railroad | 1 |
DTI
| Detroit Toledo & Ironton | 1 |
DWC
| Canadian National Railways | 2 |
GMRC
| Green Mountain RR | 1 |
GTW
| Grand Trunk Western | 10 |
HPJX
| Helm-Pacific Leasing | 1 |
KCS
| Kansas City Southern | 1 |
MKT
| Missouri-Kansas-Texas | 3 |
MMA
| Montreal, Maine & Atlantic | 5 |
MP
| Missouri Pacific | 2 |
NKCR
| Nebraska, Kansas & Colorado RailNet, Inc | 2 |
NS
| Norfolk Southern | 26 |
NW
| Norfolk & Western | 6 |
NYC
| New York Central | 2 |
QGRY
| Quebec Gatineau Railway Incorporated | 1 |
RBOX
| Railbox Company | 3 |
SOU
| Southern | 5 |
TBOX
| TTX Company | 1 |
TFM
| Kansas City Southern De Mexico | 2 |
WP
| Western Pacific | 1 |