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| Source | Architecture Flows | Destination |
| Columbus Traffic Management Center | traffic sensor control (E) signal control data (E) hri request (P) hri control data (P) | City of Columbus Traffic Signals |
| City of Columbus Traffic Signals | traffic flow (E) signal control status (E) request for right-of-way (P) field device status (P) hri status (P) | Columbus Traffic Management Center |