| Source Element | Destination Element | Flow |
|---|
| City of Jefferson City Fire Vehicles | City of Jefferson City Traffic Signals | local signal preemption request |
| City of Jefferson City TOC | City of Jefferson City Traffic Signals | signal control commands |
| City of Jefferson City Traffic Signals | signal control device configuration |
| City of Jefferson City Traffic Signals | signal control plans |
| City of Jefferson City Traffic Signals | signal system configuration |
| Jefferson County EMA | emergency traffic control information |
| City of Jefferson City Traffic Signals | City of Jefferson City TOC | right-of-way request notification |
| City of Morristown Fire Vehicles | City of Morristown Traffic Signals | local signal preemption request |
| City of Morristown TOC | City of Morristown Traffic Signals | signal control commands |
| City of Morristown Traffic Signals | signal control device configuration |
| City of Morristown Traffic Signals | signal control plans |
| City of Morristown Traffic Signals | signal system configuration |
| Hamblen County EMA | emergency traffic control information |
| City of Morristown Traffic Signals | City of Morristown TOC | right-of-way request notification |
| Hamblen County EMA | City of Morristown TOC | emergency traffic control request |
| Municipal TOC | emergency traffic control request |
| TDOT Region 1 TMC - Knoxville | emergency traffic control request |
| Jefferson County EMA | City of Jefferson City TOC | emergency traffic control request |
| Municipal TOC | emergency traffic control request |
| TDOT Region 1 TMC - Knoxville | emergency traffic control request |
| Morristown-Hamblen EMS Vehicles | City of Morristown Traffic Signals | local signal preemption request |
| Municipal Traffic Signals | local signal preemption request |
| Municipal TOC | Hamblen County EMA | emergency traffic control information |
| Jefferson County EMA | emergency traffic control information |
| 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 |
| Municipal Traffic Signals | Municipal TOC | right-of-way request notification |
| Municipal/County Public Safety Vehicles | City of Jefferson City Traffic Signals | local signal preemption request |
| Municipal Traffic Signals | local signal preemption request |
| TDOT Emergency Services Coordinator | TEMA | emergency traffic control information |
| TDOT Region 1 TMC - Knoxville | Hamblen County EMA | emergency traffic control information |
| Jefferson County EMA | emergency traffic control information |
| TEMA | TDOT Emergency Services Coordinator | emergency traffic control request |