BM
| Boston & Maine | 3 |
BVRY
| Brandywine Valley Railroad Company | 9 |
CR
| Conrail | 3 |
ITC
| Illinois Terminal Railroad | 3 |
LT
| Lake Terminal Railroad Company | 1 |
MEC
| Maine Central | 2 |
MP
| Missouri Pacific | 1 |
NS
| Norfolk Southern | 41 |
RMGX
| Andersons - Railgroup | 1 |
UMP
| Upper Merion and Plymouth Railroad | 10 |