ATSF
| Atchison Topeka & Santa Fe | 1 |
BO
| Baltimore & Ohio | 7 |
CO
| Chesapeake & Ohio | 1 |
CR
| Conrail | 6 |
CSX
| CSX Railroad | 3 |
DGVR
| DURBIN & GREENBRIER VALLEY RAILROAD INC | 3 |
GRRM
| GRRM | 1 |
KJR
| Kiski Junction Railroad | 4 |
KJRR
| KJRR | 1 |
LEHI
| LEHI | 1 |
MGA
| Monongahela RR | 4 |
MRR
| Mid Atlantic Railroad | 1 |
PLE
| Pittsburgh & Lake Erie | 2 |
PRR
| Pennsylvania Railroad | 4 |
WM
| Western Maryland | 2 |