CN
| Canadian National Railways | 2 |
CNW
| Chicago & Northwestern | 2 |
CP
| Canadian Pacific Railway | 1 |
CR
| Conrail | 18 |
EL
| Erie Lackawanna | 1 |
GCRY
| Grand Canyon Railway | 2 |
KCS
| Kansas City Southern | 5 |
LV
| Lehigh Valley | 3 |
MKT
| Missouri-Kansas-Texas | 1 |
NJT
| New Jersey Transit | 1 |
NS
| Norfolk Southern | 1 |