AMTK
| Amtrak | 99 |
BB
| Buckingham Branch | 1 |
BO
| Baltimore & Ohio | 1 |
CSX
| CSX Railroad | 3 |
DOTX
| USDOT/Federal Railroad Administration | 1 |
RFP
| Richmond Fredericksburg & Potomac | 1 |
RPCX
| Railroad Passenger Car Numbering Bureau | 3 |
SBVR
| South Branch Valley Rail Road | 1 |
VRE
| Virginia Railway Express | 1 |