BB
| Buckingham Branch | 1 |
BO
| Baltimore & Ohio | 3 |
CO
| Chesapeake & Ohio | 6 |
CSX
| CSX Railroad | 9 |
DGVR
| DURBIN & GREENBRIER VALLEY RAILROAD INC | 1 |
NS
| Norfolk Southern | 8 |
NW
| Norfolk & Western | 5 |
RFP
| Richmond Fredericksburg & Potomac | 1 |
SOU
| Southern | 2 |
VGN
| Virginian Railway | 2 |
WM
| Western Maryland | 1 |