AA
| Ann Arbor | 38 |
AC
| Algoma Central | 2 |
BN
| Burlington Northern | 13 |
BO
| Baltimore & Ohio | 7 |
BRC
| Belt Railway of Chicago | 1 |
CBQ
| Chicago Burlington & Quincy | 3 |
CLC
| Columbia and Cowlitz Railway Company | 1 |
CMGN
| Central Michigan RR | 1 |
CN
| Canadian National Railways | 13 |
CNW
| Chicago & Northwestern | 8 |
CO
| Chesapeake & Ohio | 22 |
CP
| Canadian Pacific Railway | 1 |
CR
| Conrail | 4 |
CSS
| Chicago South Shore And South Bend | 5 |
CSX
| CSX Railroad | 3 |
CW
| Colorado and Wyoming | 2 |
CWWR
| Chehalis Western | 1 |
DM
| Detroit & Mackinac | 10 |
DRGW
| Denver & Rio Grande Western | 1 |
DSSA
| Duluth, South Shore & Atlantic | 3 |
DTI
| Detroit Toledo & Ironton | 16 |
DTS
| Detroit & Toledo ShoreLine | 1 |
DWP
| Duluth Winnipeg & Pacific | 2 |
ETL
| Essex Terminal Railway Company | 3 |
FWD
| Fort Worth & Denver | 3 |
GN
| Great Northern | 7 |
GT
| GT | 1 |
GTW
| Grand Trunk Western | 91 |
GWR
| Great Western Railway Company | 1 |
HESR
| Huron and Eastern | 2 |
ICG
| Illinois Central Gulf | 3 |
IHB
| Indiana Harbor Belt | 1 |
KLSC
| Kalamazoo Lake Shore and Chicago Railway | 2 |
LN
| Louisville & Nashville | 8 |
LSI
| Lake Superior and Ishpeming Railroad | 1 |
MILW
| Milwaukee Road | 6 |
NBN
| Nicolet, Badger & Northern | 2 |
NW
| Norfolk & Western | 10 |
NYC
| New York Central | 1 |
ONT
| Ontario Northland Railway | 3 |
PC
| Penn Central | 2 |
PHD
| Port Huron and Detroit Railroad Company | 11 |
PHNX
| Phn Llc | 1 |
PM
| Pere Marquette | 2 |
PRTD
| Portland Traction | 1 |
SBD
| Seaboard System | 5 |
SCL
| Seaboard Coast Line | 1 |
SOO
| Soo Line | 1 |
SP
| Southern Pacific | 1 |
THB
| Toronto Hamilton & Buffalo | 7 |
TMBL
| Tacoma Municipal Belt Line Railway | 1 |
TSB
| TSB | 1 |
UP
| Union Pacific Railroad Company | 3 |
WAB
| Wabash | 1 |