AMTK
| Amtrak | 4 |
BDRV
| Belvidere & Delaware Railroad | 1 |
BR
| Buffalo and Pittsburgh | 10 |
CB
| CB | 1 |
CR
| Conrail | 8 |
CSX
| CSX Railroad | 13 |
LMIX
| Loram Maintenance of Way Inc. | 2 |
ME
| Morristown & Erie Railroad | 8 |
NJT
| New Jersey Transit | 7 |
NS
| Norfolk Southern | 6 |
NW
| Norfolk & Western | 2 |
PC
| Penn Central | 3 |
SL
| Salt Lake Southern RR | 1 |
SNJX
| SOUTHERN NEW JERSEY RAIL GROUP LLC | 2 |
SPAX
| Southeastern Pennsylvania Transportation (SEPTA) | 1 |
VSR
| Valley & Siletz RR | 5 |
WGRR
| WGRR | 2 |