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Austin Regional ITS Architecture |
TxDOT TTA Toll Plazas and Private Vehicles(E) = Existing Flow
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| Source | Architecture Flows | Destination |
| TxDOT TTA Toll Plazas | tag update (P) request tag data (P) | Private Vehicles |
| Private Vehicles | tag data (P) | TxDOT TTA Toll Plazas |