AIKR
| AIKR | 2 |
ATSF
| Atchison Topeka & Santa Fe | 181 |
BN
| Burlington Northern | 106 |
BO
| Baltimore & Ohio | 4 |
CBQ
| Chicago Burlington & Quincy | 6 |
CHP
| Ferrocarriles Nacionales de Mexico | 8 |
CNW
| Chicago & Northwestern | 9 |
CR
| Conrail | 6 |
CRIP
| Chicago Rock Island & Pacific | 11 |
CS
| Colorado & Southern | 7 |
DH
| Delaware & Hudson | 2 |
EL
| Erie Lackawanna | 6 |
FCP
| Ferrocarril Del Pacifico | 9 |
FWD
| Fort Worth & Denver | 3 |
GMO
| Gulf Mobile & Ohio | 8 |
GN
| Great Northern | 8 |
GRLW
| Greenville & Western Railway Company, LLC | 2 |
IC
| Illinois Central | 6 |
ICG
| Illinois Central Gulf | 2 |
LV
| Lehigh Valley | 4 |
MILW
| Milwaukee Road | 8 |
NDEM
| NDEM | 11 |
NP
| Northern Pacific | 5 |
ODEM
| ODEM | 2 |
OPE
| Oregon Pacific & Eastern | 1 |
RDG
| Reading Railroad | 4 |
RI
| RI | 1 |
SLSF
| Saint Louis-San Francisco | 3 |
SN
| Sacramento Northern | 2 |
SOO
| Soo Line | 6 |
SP
| Southern Pacific | 158 |
SPS
| Spokane Portland & Seattle | 8 |
SSW
| St Louis Southwestern (Cotton Belt) | 19 |
UP
| Union Pacific Railroad Company | 94 |
WM
| Western Maryland | 2 |
WP
| Western Pacific | 42 |