| Source Element | Destination Element | Flow |
|---|
| City of Kingsport TN 911 Dispatch | City of Kingsport TN TOC | emergency traffic control request |
| City of Kingsport TN Fire/EMS Vehicles | City of Kingsport TN Traffic Signals | local signal preemption request |
| City of Kingsport TN Rectangular Rapid Flash Beacons | City of Kingsport TN TOC | right-of-way request notification |
| City of Kingsport TN TOC | City of Kingsport TN Traffic Signals | signal control commands |
| City of Kingsport TN Traffic Signals | signal control device configuration |
| City of Kingsport TN Traffic Signals | signal control plans |
| City of Kingsport TN Traffic Signals | signal system configuration |
| Kingsport Area Transit Service Dispatch Center | traffic control priority status |
| Sullivan County TN EMA | emergency traffic control information |
| City of Kingsport TN Traffic Signals | City of Kingsport TN TOC | right-of-way request notification |
| Hawkins County TN EMA | Municipal/County TOC | emergency traffic control request |
| TDOT Region 1 TMC - Knoxville | emergency traffic control request |
| VDOT Bristol District | emergency traffic control request |
| VDOT TOC - Salem | emergency traffic control request |
| Kingsport Area Transit Service Dispatch Center | City of Kingsport TN TOC | traffic control priority request |
| Kingsport Area Transit Service Fixed Route Vehicles | City of Kingsport TN Traffic Signals | local signal priority request |
| Municipal/County Rectangular Rapid Flash Beacons | Municipal/County TOC | right-of-way request notification |
| Municipal/County TOC | Hawkins County TN EMA | emergency traffic control information |
| Municipal/County Traffic Signals | signal control commands |
| Municipal/County Traffic Signals | signal control device configuration |
| Municipal/County Traffic Signals | signal control plans |
| Municipal/County Traffic Signals | signal system configuration |
| Municipal/County Traffic Signals | Municipal/County TOC | right-of-way request notification |
| VDOT Bristol District | right-of-way request notification |
| Scott County VA Public Safety Vehicles | Municipal/County Traffic Signals | local signal preemption request |
| VDOT Traffic Signals | local signal preemption request |
| Sullivan County TN EMA | City of Kingsport TN TOC | emergency traffic control request |
| TDOT Region 1 TMC - Knoxville | emergency traffic control request |
| VDOT Bristol District | emergency traffic control request |
| VDOT TOC - Salem | emergency traffic control request |
| TDOT Emergency Services Coordinator | TEMA | emergency traffic control information |
| TDOT Region 1 TMC - Knoxville | Hawkins County TN EMA | emergency traffic control information |
| Sullivan County TN EMA | emergency traffic control information |
| TEMA | TDOT Emergency Services Coordinator | emergency traffic control request |
| VDOT Bristol District | Hawkins County TN EMA | emergency traffic control information |
| Municipal/County Traffic Signals | signal control commands |
| Sullivan County TN EMA | emergency traffic control information |
| VDOT Traffic Signals | signal control commands |
| VDOT Traffic Signals | signal control device configuration |
| VDOT Traffic Signals | signal control plans |
| VDOT Traffic Signals | signal system configuration |
| Virginia Statewide EOC | emergency traffic control information |
| VDOT TOC - Salem | Hawkins County TN EMA | emergency traffic control information |
| Sullivan County TN EMA | emergency traffic control information |
| Virginia Statewide EOC | emergency traffic control information |
| VDOT Traffic Signals | VDOT Bristol District | right-of-way request notification |
| Virginia Statewide EOC | VDOT Bristol District | emergency traffic control request |
| VDOT TOC - Salem | emergency traffic control request |