| Source Element | Destination Element | Flow |
|---|
| City of Elizabethton Field Sensors | City of Elizabethton TOC | traffic flow |
| City of Elizabethton Rectangular Rapid Flash Beacons | 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 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 Johnson City Field Sensors | City of Johnson City TOC | traffic flow |
| City of Johnson City Flood Warning Beacons | City of Johnson City TOC | roadway warning system status |
| City of Johnson City Rectangular Rapid Flash Beacons | City of Johnson City TOC | roadway warning system status |
| City of Johnson City Speed Monitoring Equipment | City of Johnson City TOC | speed monitoring information |
| City of Johnson City TOC | City of Johnson City Field Sensors | traffic sensor control |
| City of Johnson City Flood Warning Beacons | roadway warning system control |
| City of Johnson City Rectangular Rapid Flash Beacons | roadway warning system control |
| City of Johnson City Speed Monitoring Equipment | speed monitoring control |
| Municipal Field Sensors | Municipal TOC | traffic flow |
| Municipal Speed Monitoring Equipment | Municipal TOC | speed monitoring information |
| Municipal TOC | Municipal Field Sensors | traffic sensor control |
| Municipal Speed Monitoring Equipment | speed monitoring control |
| TDOT Changeable Speed Limit Signs | TDOT Region 1 TMC - Knoxville | variable speed limit status |
| TDOT DMS | TDOT Region 1 TMC - Knoxville | roadway warning system status |
| TDOT Field Sensors | TDOT Region 1 TMC - Knoxville | traffic flow |
| TDOT Ramp Metering Equipment | TDOT Region 1 TMC - Knoxville | traffic flow |
| TDOT Region 1 TMC - Knoxville | TDOT Changeable Speed Limit Signs | variable speed limit control |
| TDOT DMS | roadway warning system control |
| TDOT Field Sensors | traffic sensor control |
| TDOT Ramp Metering Equipment | traffic sensor 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 | TDOT Region 1 TMC - Knoxville | roadway warning system status |
| TDOT Region 1 TMC - Knoxville | traffic flow |