| Source Element | Destination Element | Flow |
|---|
| Arterial Roadside Equipment | Arterial Traffic Control Systems | traffic flow |
| Arterial Traffic Control Systems | Arterial Roadside Equipment | traffic sensor control |
| Railroad Crossing Monitoring System | traffic sensor control |
| Caltrans Regional TMCs | Caltrans TMC Roadside Equipment | traffic sensor control |
| Caltrans TMC Roadside Equipment | Caltrans Regional TMCs | traffic flow |
| Express Lane Field Equipment | Express Lane Transportation Management Centers | hov data |
| Express Lane Transportation Management Centers | traffic flow |
| Express Lane Transportation Management Centers | Express Lane Field Equipment | traffic sensor control |
| Port Operation Centers | Port Roadside Equipment | traffic sensor control |
| Port Roadside Equipment | Port Operation Centers | traffic flow |
| Railroad Crossing Monitoring System | Arterial Traffic Control Systems | traffic flow |