ACL
| Atlantic Coast Line |
|
2
|
0
| ACL |
ATSF
| Atchison Topeka & Santa Fe |
|
1
|
0
| ATSF |
BN
| Burlington Northern |
|
1
|
0
| BN |
BO
| Baltimore & Ohio |
|
1
|
0
| BO |
CO
| Chesapeake & Ohio |
|
2
|
0
| CO |
DRGW
| Denver & Rio Grande Western |
|
1
|
0
| DRGW |
MGA
| Monongahela RR |
|
2
|
0
| MGA |
NFD
| Norfolk, Franklin and Danville |
|
2
|
0
| NFD |
NW
| Norfolk & Western |
|
32
|
1
| NW |
RDG
| Reading Railroad |
|
1
|
0
| RDG |
RFP
| Richmond Fredericksburg & Potomac |
|
11
|
0
| RFP |
SAL
| Seaboard Air Line |
|
0
|
1
| SAL |
SBD
| Seaboard System |
|
1
|
0
| SBD |
SCL
| Seaboard Coast Line |
|
72
|
1
| SCL |
SLSF
| Saint Louis-San Francisco |
|
2
|
0
| SLSF |
SOO
| Soo Line |
|
1
|
0
| SOO |
SOU
| Southern |
|
2
|
2
| SOU |