BB
| Buckingham Branch | 1 |
BR
| Buffalo and Pittsburgh | 7 |
CR
| Conrail | 22 |
GS
| Gloster Southern | 5 |
KBR
| KBR | 2 |
NS
| Norfolk Southern | 100 |
NW
| Norfolk & Western | 46 |
PJ
| PJ | 6 |
RAM
| RAM | 6 |
RC
| RC | 3 |
SLM
| SLM | 6 |
SOU
| Southern | 9 |
SP
| Southern Pacific | 7 |
SSC
| Southern Switching Company | 3 |
TB
| TB | 6 |
THM
| THM | 15 |
THWO
| THWO | 2 |
TPBC
| TPBC | 9 |
TR
| Tomahawk Railway L.P. | 1 |
TRI
| TRI | 7 |