AMTK
| Amtrak | 6 |
BDRV
| Belvidere & Delaware Railroad | 2 |
CBQ
| Chicago Burlington & Quincy | 2 |
CN
| Canadian National Railways | 5 |
CO
| Chesapeake & Ohio | 1 |
CR
| Conrail | 4 |
CSX
| CSX Railroad | 1 |
GDLK
| GDLK | 2 |
GNRR
| Georgia Northeastern | 1 |
GSM
| Great Smokey Mountains Railway | 5 |
IN
| Indiana Northeastern | 5 |
LSI
| Lake Superior and Ishpeming Railroad | 1 |
METX
| METRA | 2 |
MHWA
| Mohawk Adirondack and Northern Railroad | 1 |
MSO
| Michigan Southern | 1 |
RCPE
| Rapid City Pierre & Eastern Railroad | 1 |