BLE
| Bessemer & Lake Erie | 1 |
BO
| Baltimore & Ohio | 14 |
CNW
| Chicago & Northwestern | 1 |
CO
| Chesapeake & Ohio | 8 |
DH
| Delaware & Hudson | 1 |
DODX
| Department Of Defense | 2 |
ERIE
| Erie Railroad | 3 |
IC
| Illinois Central | 1 |
ITC
| Illinois Terminal Railroad | 1 |
LNE
| Lehigh and New England Ry | 1 |
MP
| Missouri Pacific | 3 |
MRHF
| MRHF | 2 |
NKP
| Nickel Plate | 3 |
NW
| Norfolk & Western | 2 |
NYC
| New York Central | 2 |
OCTL
| Oil Creek and Titusville Lines | 1 |
ON
| ON | 4 |
PC
| Penn Central | 1 |
PRR
| Pennsylvania Railroad | 4 |
RDG
| Reading Railroad | 1 |
SSW
| St Louis Southwestern (Cotton Belt) | 1 |
WAB
| Wabash | 1 |
WM
| Western Maryland | 2 |
WP
| Western Pacific | 2 |