AMTK
| Amtrak | 28 |
AMTL
| Agence métropolitaine de transport | 1 |
CDOT
| Conneticut Department of Transportation | 12 |
CDTX
| California DOT | 3 |
GOT
| GO Transit | 1 |
JPBX
| Joint Powers Board (CalTrain) | 9 |
LI
| Long Island Rail Road Company | 10 |
MBTA
| Massachusetts Bay Transit Authority | 9 |
MNCR
| Metro North Commuter Railway | 138 |
NJT
| New Jersey Transit | 454 |
NJTR
| NJ Transit Rail Operations | 20 |
SPAX
| Southeastern Pennsylvania Transportation (SEPTA) | 18 |