| Source Element | Destination Element | Flow |
|---|
| City of Austin CCTV Cameras | City of Austin Public Works Vehicles | work zone warning notification |
| City of Austin Field Sensors | City of Austin Public Works Vehicles | work zone warning notification |
| City of Austin Fire Vehicles | City of Austin Traffic Signals | local signal preemption request |
| CIty of Austin In-Vehicle Parking Meters | City of Austin Parking Enterprise | vehicle payment information |
| City of Austin Parking Enterprise | CIty of Austin In-Vehicle Parking Meters | vehicle payment request |
| CIty of Austin In-Vehicle Parking Meters | vehicle payment update |
| City of Austin Parking Meters | vehicle payment request |
| City of Austin Parking Meters | vehicle payment update |
| City of Austin Parking Meters | City of Austin Parking Enterprise | vehicle payment information |
| City of Round Rock CCTV Cameras | City of Round Rock Public Works Vehicles | work zone warning notification |
| City of Round Rock Field Sensors | City of Round Rock Public Works Vehicles | work zone warning notification |
| City of Round Rock Fire Vehicles | City of Round Rock Traffic Signals | local signal preemption request |
| TxDOT Austin District Signals | local signal preemption request |
| City of Round Rock Portable DMS | City of Round Rock Public Works Vehicles | work zone warning notification |
| Commercial Vehicles | City of Austin Field Sensors | traffic probe data |
| City of Cedar Park Field Sensors | traffic probe data |
| City of Georgetown Field Sensors | traffic probe data |
| City of Round Rock Field Sensors | traffic probe data |
| City of San Marcos Field Sensors | traffic probe data |
| CTRMA Toll Plazas | traffic probe data |
| CTRMA Toll Plazas | vehicle payment information |
| Municipal ITS Field Equipment | traffic probe data |
| TxDOT Austin District Field Sensors | traffic probe data |
| TxDOT TOD Toll Plazas | vehicle payment information |
| County Public Safety Vehicles | Municipal ITS Field Equipment | local signal preemption request |
| TxDOT Austin District Signals | local signal preemption request |
| CTRMA Toll Plazas | Commercial Vehicles | vehicle payment update |
| Private Vehicles | vehicle payment update |
| Municipal ITS Field Equipment | Municipal PWD Vehicles | work zone warning notification |
| Municipal Public Safety Vehicles | City of Cedar Park Traffic Signals | local signal preemption request |
| City of Georgetown Traffic Signals | local signal preemption request |
| Municipal ITS Field Equipment | local signal preemption request |
| TxDOT Austin District Signals | local signal preemption request |
| Private Vehicles | City of Austin Field Sensors | traffic probe data |
| City of Cedar Park Field Sensors | traffic probe data |
| City of Georgetown Field Sensors | traffic probe data |
| City of Round Rock Field Sensors | traffic probe data |
| City of San Marcos Field Sensors | traffic probe data |
| CTRMA Toll Plazas | traffic probe data |
| CTRMA Toll Plazas | vehicle payment information |
| Municipal ITS Field Equipment | traffic probe data |
| TxDOT Austin District Field Sensors | traffic probe data |
| TxDOT TOD Toll Plazas | vehicle payment information |
| Public/Private Ambulance Vehicles | City of Austin Traffic Signals | local signal preemption request |
| City of Cedar Park Traffic Signals | local signal preemption request |
| City of Georgetown Traffic Signals | local signal preemption request |
| City of Round Rock Traffic Signals | local signal preemption request |
| City of San Marcos Traffic Signals | local signal preemption request |
| Municipal ITS Field Equipment | local signal preemption request |
| TxDOT Austin District Signals | local signal preemption request |
| Travis County Public Safety Vehicles | City of Austin Traffic Signals | local signal preemption request |
| City of Round Rock Traffic Signals | local signal preemption request |
| Municipal ITS Field Equipment | local signal preemption request |
| TxDOT Austin District Signals | local signal preemption request |
| TxDOT Austin District Work Zone Equipment | TxDOT Austin District Maintenance and Construction Vehicles | work zone warning notification |
| TxDOT TOD Toll Plazas | Commercial Vehicles | vehicle payment update |
| Private Vehicles | vehicle payment update |
| Williamson County Public Safety Vehicles | City of Cedar Park Traffic Signals | local signal preemption request |
| City of Georgetown Traffic Signals | local signal preemption request |
| City of Round Rock Traffic Signals | local signal preemption request |
| Municipal ITS Field Equipment | local signal preemption request |
| TxDOT Austin District Signals | local signal preemption request |