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| Source | Architecture Flows | Destination |
| Phoenix Public Transit OCC | transit traveler information (P) request for vehicle measures (E) secure area surveillance control (P) transit vehicle operator authentication update (E) remote vehicle disable (E) alarm acknowledge (E) transit vehicle operator information (E) | Phoenix Public Transit Vehicles |
| Phoenix Public Transit Vehicles | transit vehicle loading data (E) transit vehicle conditions (E) secure area surveillance data (P) transit vehicle operator authentication information (E) alarm notification (E) transit vehicle schedule performance (E) transit vehicle location data (E) | Phoenix Public Transit OCC |