AMTK
| Amtrak | 90 |
CIE
| CIE | 4 |
FS
| FS | 2 |
JPBX
| Joint Powers Board (CalTrain) | 16 |
LI
| Long Island Rail Road Company | 2 |
MARC
| Maryland Transit Administration | 4 |
MBTA
| Massachusetts Bay Transit Authority | 167 |
METX
| METRA | 17 |
MTBA
| MTBA | 1 |
NJT
| New Jersey Transit | 24 |
SCAX
| SOUTHERN CALIFORNIA REGIONAL RAIL AUTHORITY | 58 |
SPAX
| Southeastern Pennsylvania Transportation (SEPTA) | 1 |
VRE
| Virginia Railway Express | 6 |