BB
| Buckingham Branch | 3 |
CP
| Canadian Pacific Railway | 2 |
CR
| Conrail | 1 |
NJ
| Delaware and Hudson Railway Company Incorporated | 2 |
NS
| Norfolk Southern | 12 |
PLE
| Pittsburgh & Lake Erie | 1 |
RDG
| Reading Railroad | 1 |
RFP
| Richmond Fredericksburg & Potomac | 8 |
SCL
| Seaboard Coast Line | 2 |
SRC
| Strasburg Railroad | 1 |