ACEX
| Altamont Commuter Express | 3 |
AMTK
| Amtrak | 16 |
CDOT
| Conneticut Department of Transportation | 9 |
CDTX
| California DOT | 19 |
JPBX
| Joint Powers Board (CalTrain) | 4 |
MBTA
| Massachusetts Bay Transit Authority | 213 |
METX
| METRA | 11 |
MNCR
| Metro North Commuter Railway | 7 |
NJT
| New Jersey Transit | 6 |
NS
| Norfolk Southern | 1 |
PRR
| Pennsylvania Railroad | 1 |
ST
| Springfield Terminal | 3 |