ATSF
| Atchison Topeka & Santa Fe |
|
7
|
0
| ATSF |
BO
| Baltimore & Ohio |
|
13
|
5
| BO |
CO
| Chesapeake & Ohio |
|
2
|
0
| CO |
NW
| Norfolk & Western |
|
1
|
0
| NW |
PC
| Penn Central |
|
3
|
1
| PC |
RDG
| Reading Railroad |
|
2
|
0
| RDG |
RFP
| Richmond Fredericksburg & Potomac |
|
2
|
0
| RFP |
SBD
| Seaboard System |
|
3
|
0
| SBD |
SOU
| Southern |
|
8
|
2
| SOU |
SP
| Southern Pacific |
|
1
|
0
| SP |
WM
| Western Maryland |
|
5
|
0
| WM |