ACEX
| Altamont Commuter Express | 3 |
AMTK
| Amtrak | 11 |
CDOT
| Conneticut Department of Transportation | 9 |
CDTX
| California DOT | 19 |
JPBX
| Joint Powers Board (CalTrain) | 4 |
MBTA
| Massachusetts Bay Transit Authority | 201 |
METX
| METRA | 7 |
MNCR
| Metro North Commuter Railway | 7 |
NJT
| New Jersey Transit | 6 |