| Source Element | Destination Element | Flow |
|---|
| Kennewick Field Equipment | Kennewick Traffic Operations Center | traffic flow |
| Kennewick Traffic Operations Center | Kennewick Field Equipment | traffic sensor control |
| Local City Field Equipment | Local City Traffic Operations Center | traffic flow |
| Local City Traffic Operations Center | Local City Field Equipment | traffic sensor control |
| Pasco Field Equipment | Pasco Traffic Operations Center | roadway warning system status |
| Pasco Traffic Operations Center | speed monitoring information |
| Pasco Traffic Operations Center | traffic flow |
| Pasco Traffic Operations Center | Pasco Field Equipment | roadway warning system control |
| Pasco Field Equipment | speed monitoring control |
| Pasco Field Equipment | traffic sensor control |
| Richland Field Equipment | Richland Traffic Operations Center | traffic flow |
| Richland Traffic Operations Center | Richland Field Equipment | traffic sensor control |
| West Richland Field Equipment | West Richland Traffic Operations Center | traffic flow |
| West Richland Traffic Operations Center | West Richland Field Equipment | traffic sensor control |
| WSDOT Field Equipment | WSDOT SC Region TMC | traffic flow |
| WSDOT SC Region TMC | WSDOT Field Equipment | traffic sensor control |