| Source Element | Destination Element | Flow |
|---|
| Carter County/Elizabethton Public Safety Vehicles | City of Elizabethton Traffic Signals | local signal preemption request |
| City of Elizabethton CCTV Cameras | City of Elizabethton TOC | traffic images |
| City of Elizabethton DMS | City of Elizabethton TOC | roadway information system status |
| City of Elizabethton Field Sensors | City of Elizabethton TOC | traffic flow |
| City of Elizabethton Rectangular Rapid Flash Beacons | City of Elizabethton TOC | right-of-way request notification |
| City of Elizabethton TOC | roadway warning system status |
| City of Elizabethton Speed Monitoring Equipment | City of Elizabethton TOC | speed monitoring information |
| City of Elizabethton TOC | City of Elizabethton CCTV Cameras | video surveillance control |
| City of Elizabethton DMS | roadway information system data |
| City of Elizabethton Field Sensors | traffic sensor control |
| City of Elizabethton Rectangular Rapid Flash Beacons | roadway warning system control |
| City of Elizabethton Speed Monitoring Equipment | speed monitoring control |
| City of Elizabethton Traffic Signals | signal control commands |
| City of Elizabethton Traffic Signals | signal control device configuration |
| City of Elizabethton Traffic Signals | signal control plans |
| City of Elizabethton Traffic Signals | signal system configuration |
| Elizabethton/Carter County EMA | emergency traffic control information |
| City of Elizabethton Traffic Signals | City of Elizabethton TOC | right-of-way request notification |
| City of Elizabethton TOC | signal control status |
| City of Elizabethton TOC | signal fault data |
| City of Johnson City CCTV Cameras | City of Johnson City Street Division | traffic images |
| City of Johnson City TOC | secure area surveillance data |
| City of Johnson City TOC | traffic images |
| City of Johnson City DMS | City of Johnson City TOC | roadway information system status |
| City of Johnson City Field Sensors | City of Johnson City TOC | traffic flow |
| City of Johnson City TOC | traffic probe data |
| City of Johnson City Flood Warning Beacons | City of Johnson City TOC | roadway warning system status |
| City of Johnson City Portable DMS | City of Johnson City TOC | roadway information system status |
| City of Johnson City Rectangular Rapid Flash Beacons | City of Johnson City TOC | right-of-way request notification |
| City of Johnson City TOC | roadway warning system status |
| City of Johnson City RWIS Sensors | City of Johnson City Stormwater Management Division | environmental sensor data |
| City of Johnson City TOC | environmental sensor data |
| City of Johnson City Speed Monitoring Equipment | City of Johnson City TOC | speed monitoring information |
| City of Johnson City Stormwater Management Division | City of Johnson City RWIS Sensors | environmental sensors control |
| City of Johnson City Stream Gauges | environmental sensors control |
| City of Johnson City Stream Gauges | City of Johnson City Stormwater Management Division | environmental sensor data |
| City of Johnson City TOC | City of Johnson City CCTV Cameras | secure area surveillance control |
| City of Johnson City CCTV Cameras | video surveillance control |
| City of Johnson City DMS | roadway information system data |
| City of Johnson City Field Sensors | traffic sensor control |
| City of Johnson City Flood Warning Beacons | roadway warning system control |
| City of Johnson City Portable DMS | roadway information system data |
| City of Johnson City Rectangular Rapid Flash Beacons | roadway warning system control |
| City of Johnson City RWIS Sensors | environmental sensors control |
| City of Johnson City Speed Monitoring Equipment | speed monitoring control |
| City of Johnson City Traffic Signals | signal control commands |
| City of Johnson City Traffic Signals | signal control device configuration |
| City of Johnson City Traffic Signals | signal control plans |
| City of Johnson City Traffic Signals | signal system configuration |
| Washington County/Johnson City EMA | emergency traffic control information |
| City of Johnson City Traffic Signals | City of Johnson City TOC | right-of-way request notification |
| City of Johnson City TOC | signal control status |
| City of Johnson City TOC | signal fault data |
| Elizabethton/Carter County EMA | City of Elizabethton TOC | emergency traffic control request |
| Municipal TOC | emergency traffic control request |
| TDOT Region 1 TMC - Knoxville | emergency traffic control request |
| Johnson City Transit Center CCTV Surveillance | Johnson City Transit Dispatch Center | secure area surveillance data |
| Johnson City Transit Dispatch Center | Johnson City Transit Center CCTV Surveillance | secure area surveillance control |
| Municipal CCTV Cameras | Municipal TOC | traffic images |
| Municipal Field Sensors | Municipal TOC | traffic flow |
| Municipal Speed Monitoring Equipment | Municipal TOC | speed monitoring information |
| Municipal TOC | Elizabethton/Carter County EMA | emergency traffic control information |
| Municipal CCTV Cameras | video surveillance control |
| Municipal Field Sensors | traffic sensor control |
| Municipal Speed Monitoring Equipment | speed monitoring control |
| Municipal Traffic Signals | signal control commands |
| Municipal Traffic Signals | signal control device configuration |
| Municipal Traffic Signals | signal control plans |
| Municipal Traffic Signals | signal system configuration |
| Washington County/Johnson City EMA | emergency traffic control information |
| Municipal Traffic Signals | Municipal TOC | right-of-way request notification |
| Municipal TOC | signal control status |
| Municipal TOC | signal fault data |
| TDOT CCTV Cameras | TDOT Region 1 TMC - Knoxville | traffic images |
| TDOT Changeable Speed Limit Signs | TDOT Region 1 TMC - Knoxville | variable speed limit status |
| TDOT DMS | TDOT Region 1 TMC - Knoxville | roadway information system status |
| TDOT Region 1 TMC - Knoxville | roadway warning system status |
| TDOT Emergency Services Coordinator | TEMA | emergency traffic control information |
| TDOT Field Sensors | TDOT Region 1 TMC - Knoxville | traffic flow |
| TDOT HAR | TDOT Region 1 TMC - Knoxville | roadway information system status |
| TDOT Maintenance Headquarters | TDOT RWIS Sensors | environmental sensors control |
| TDOT Ramp Metering Equipment | TDOT Region 1 TMC - Knoxville | roadway information system status |
| TDOT Region 1 TMC - Knoxville | traffic flow |
| TDOT Region 1 TMC - Knoxville | traffic images |
| TDOT Region 1 TMC - Knoxville | traffic metering status |
| TDOT Region 1 District Operations | TDOT RWIS Sensors | environmental sensors control |
| TDOT Region 1 TMC - Knoxville | Elizabethton/Carter County EMA | emergency traffic control information |
| TDOT CCTV Cameras | video surveillance control |
| TDOT Changeable Speed Limit Signs | variable speed limit control |
| TDOT DMS | roadway information system data |
| TDOT DMS | roadway warning system control |
| TDOT Field Sensors | traffic sensor control |
| TDOT HAR | roadway information system data |
| TDOT Ramp Metering Equipment | roadway information system data |
| TDOT Ramp Metering Equipment | traffic metering control |
| TDOT Ramp Metering Equipment | traffic sensor control |
| TDOT Ramp Metering Equipment | video surveillance control |
| TDOT Smart Work Zone Equipment | roadway information system data |
| TDOT Smart Work Zone Equipment | video surveillance control |
| TDOT Wrong-Way Detection and Warning Equipment | roadway warning system control |
| TDOT Wrong-Way Detection and Warning Equipment | traffic sensor control |
| TDOT Wrong-Way Detection and Warning Equipment | video surveillance control |
| Washington County/Johnson City EMA | emergency traffic control information |
| TDOT RWIS Sensors | TDOT Maintenance Headquarters | environmental sensor data |
| TDOT Region 1 District Operations | environmental sensor data |
| TDOT Smart Work Zone Equipment | TDOT Region 1 TMC - Knoxville | roadway information system status |
| TDOT Region 1 TMC - Knoxville | traffic images |
| TDOT Wrong-Way Detection and Warning Equipment | TDOT Region 1 TMC - Knoxville | roadway warning system status |
| TDOT Region 1 TMC - Knoxville | traffic flow |
| TDOT Region 1 TMC - Knoxville | traffic images |
| TEMA | TDOT Emergency Services Coordinator | emergency traffic control request |
| Washington County/Johnson City EMA | City of Johnson City TOC | emergency traffic control request |
| Municipal TOC | emergency traffic control request |
| TDOT Region 1 TMC - Knoxville | emergency traffic control request |
| Washington County/Johnson City Public Safety Vehicles | City of Johnson City Traffic Signals | local signal preemption request |