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| Source | Architecture Flows | Destination |
| City of Tempe TMC | traffic sensor control (E) signal control commands (E) roadway warning system control (E) road user protection device control (E) | City of Tempe HAWK Signals |
| City of Tempe HAWK Signals | signal fault data (E) signal control status (E) roadway warning system status (E) road user protection data (E) right-of-way request notification (E) | City of Tempe TMC |