| Source Element | Destination Element | Flow |
|---|
| Airport Security Monitoring Field Equipment | Airport Security Center | alarm notification |
| Amtrak Operation Center | Rail Management Improvement System | transit service coordination |
| Regional Traveler Information Systems and Networks | transit and fare schedules |
| Transit Operation Centers | transit service coordination |
| Transit Vehicles | alarm acknowledge |
| Transit Vehicles | remote vehicle disable |
| Transit Vehicles | transit traveler information |
| Transit Vehicles | transit vehicle operator authentication update |
| User Personal Computing Devices | personal transit information |
| Fare System Regional Reconciliation Network | Transit Operation Centers | transit fare coordination |
| Rail Management Improvement System | Amtrak Operation Center | transit service coordination |
| Regional Traveler Information Systems and Networks | transit and fare schedules |
| Transit Operation Centers | transit service coordination |
| Transit Vehicles | alarm acknowledge |
| Transit Vehicles | remote vehicle disable |
| Transit Vehicles | transit traveler information |
| Transit Vehicles | transit vehicle operator authentication update |
| User Personal Computing Devices | personal transit information |
| SCRRA On-board PTC Component | SCRRA Train Control and Operations Center | secure area surveillance data |
| SCRRA Train Control and Operations Center | transit vehicle conditions |
| SCRRA Train Control and Operations Center | transit vehicle location data |
| SCRRA Train Control and Operations Center | transit vehicle schedule performance |
| SCRRA Rail Information System | 511 MATIS/Go511 | transit and fare schedules |
| 511 MATIS/Go511 | transit schedule adherence information |
| Inland Empire 511 | transit and fare schedules |
| Inland Empire 511 | transit schedule adherence information |
| SCRRA On-board Passenger Information Signs | transit traveler information |
| SCRRA Passenger Information Signs | transit traveler information |
| User Personal Computing Devices | personal transit information |
| SCRRA Train Control and Operations Center | 511 MATIS/Go511 | transit and fare schedules |
| 511 MATIS/Go511 | transit schedule adherence information |
| Inland Empire 511 | transit and fare schedules |
| Inland Empire 511 | transit schedule adherence information |
| RIITS | transit and fare schedules |
| RIITS | transit schedule adherence information |
| SCRRA On-board PTC Component | request for vehicle measures |
| SCRRA Rail Information System | transit traveler information coordination |
| Transit Operation Centers | transit service coordination |
| Transit Operation Centers | 511 MATIS/Go511 | transit and fare schedules |
| 511 MATIS/Go511 | transit schedule adherence information |
| Amtrak Operation Center | transit service coordination |
| Fare System Regional Reconciliation Network | transit fare coordination |
| Inland Empire 511 | transit and fare schedules |
| Inland Empire 511 | transit schedule adherence information |
| Rail Management Improvement System | transit service coordination |
| Regional Traveler Information Systems and Networks | transit and fare schedules |
| RIITS | transit and fare schedules |
| RIITS | transit schedule adherence information |
| SCRRA Train Control and Operations Center | transit service coordination |
| Transit Station Equipment | transit fare information |
| Transit Vehicles | bad tag list |
| Transit Vehicles | fare management information |
| Transit Vehicles | transit traveler information |
| User Personal Computing Devices | personal transit information |
| Transit Station Equipment | Transit Operation Centers | transit fare and passenger status |
| Transit Vehicles | Amtrak Operation Center | alarm notification |
| Amtrak Operation Center | secure area surveillance data |
| Amtrak Operation Center | transit traveler request |
| Amtrak Operation Center | transit vehicle operator authentication information |
| Rail Management Improvement System | alarm notification |
| Rail Management Improvement System | secure area surveillance data |
| Rail Management Improvement System | transit traveler request |
| Rail Management Improvement System | transit vehicle operator authentication information |
| Transit Operation Centers | fare collection data |
| Transit Operation Centers | request for bad tag list |
| Transit Operation Centers | secure area surveillance data |
| Transit Operation Centers | transit traveler request |
| Transit Operation Centers | transit vehicle location data |
| User Personal Computing Devices | Amtrak Operation Center | transit information user request |
| Rail Management Improvement System | transit information user request |
| SCRRA Rail Information System | transit information user request |
| Transit Operation Centers | transit information user request |