| Source Element | Destination Element | Flow | 
|---|
| Blanchfield Army Community Hospital EMS Vehicles | Fort Campbell Traffic Signals | local signal preemption request | 
| Christian County Emergency Management | KYTC District 2 TMC | emergency traffic control request | 
| KYTC Statewide IMOC | emergency traffic control request | 
| Municipal TOC | emergency traffic control request | 
| City of Clarksville Fire Dispatch | City of Clarksville TOC | emergency traffic control request | 
| City of Clarksville Fire Vehicles | City of Clarksville Traffic Signals | local signal preemption request | 
| City of Clarksville Police Vehicles | City of Clarksville Traffic Signals | local signal preemption request | 
| City of Clarksville TOC | City of Clarksville Programmable School Flashing Beacons | signal control commands | 
| City of Clarksville Programmable School Flashing Beacons | signal control device configuration | 
| City of Clarksville Reversible Lane Equipment | signal control commands | 
| City of Clarksville Reversible Lane Equipment | signal control device configuration | 
| City of Clarksville Reversible Lane Equipment | signal control plans | 
| City of Clarksville Reversible Lane Equipment | signal system configuration | 
| City of Clarksville Traffic Signals | signal control commands | 
| City of Clarksville Traffic Signals | signal control device configuration | 
| City of Clarksville Traffic Signals | signal control plans | 
| City of Clarksville Traffic Signals | signal system configuration | 
| CTS Fixed-Route Dispatch Center | traffic control priority status | 
| Hopkinsville-Christian County Emergency Communications Center | emergency traffic control information | 
| Montgomery County EMA | emergency traffic control information | 
| City of Clarksville Traffic Signals | City of Clarksville TOC | right-of-way request notification | 
| CTS Fixed-Route Dispatch Center | City of Clarksville TOC | traffic control priority request | 
| CTS Fixed-Route Vehicles | City of Clarksville Traffic Signals | local signal priority request | 
| Fort Campbell Directorate of Emergency Services | Fort Campbell TOC | emergency traffic control request | 
| Fort Campbell Public Safety Vehicles | Fort Campbell Traffic Signals | local signal preemption request | 
| Fort Campbell TOC | Fort Campbell Directorate of Emergency Services | emergency traffic control information | 
| Fort Campbell Traffic Signals | signal control commands | 
| Fort Campbell Traffic Signals | signal control device configuration | 
| Fort Campbell Traffic Signals | signal control plans | 
| Fort Campbell Traffic Signals | signal system configuration | 
| Hopkinsville-Christian County Emergency Communications Center | emergency traffic control information | 
| Montgomery County EMA | emergency traffic control information | 
| Fort Campbell Traffic Signals | Fort Campbell TOC | right-of-way request notification | 
| Hopkinsville-Christian County Emergency Communications Center | City of Clarksville TOC | emergency traffic control request | 
| Fort Campbell TOC | emergency traffic control request | 
| Municipal TOC | emergency traffic control request | 
| KYEM | KYTC Emergency Services Coordinator | emergency traffic control request | 
| KYTC District 2 TMC | Christian County Emergency Management | emergency traffic control information | 
| KYTC Traffic Signals | signal control commands | 
| KYTC Traffic Signals | signal control device configuration | 
| KYTC Traffic Signals | signal control plans | 
| KYTC Traffic Signals | signal system configuration | 
| KYTC Emergency Services Coordinator | KYEM | emergency traffic control information | 
| KYTC Statewide IMOC | Christian County Emergency Management | emergency traffic control information | 
| KYTC Traffic Signals | KYTC District 2 TMC | right-of-way request notification | 
| Montgomery County EMA | City of Clarksville TOC | emergency traffic control request | 
| Fort Campbell TOC | emergency traffic control request | 
| Municipal TOC | emergency traffic control request | 
| TDOT Region 3 TMC - Nashville | emergency traffic control request | 
| Montgomery County EMS Vehicles | City of Clarksville Traffic Signals | local signal preemption request | 
| Montgomery County Sheriff Vehicles | City of Clarksville Traffic Signals | local signal preemption request | 
| Municipal TOC | Christian County Emergency Management | emergency traffic control information | 
| Hopkinsville-Christian County Emergency Communications Center | emergency traffic control information | 
| Montgomery 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 | KYTC Traffic Signals | local signal preemption request | 
| Municipal Traffic Signals | local signal preemption request | 
| TDOT Emergency Services Coordinator | TEMA | emergency traffic control information | 
| TDOT Region 3 TMC - Nashville | Montgomery County EMA | emergency traffic control information | 
| TEMA | TDOT Emergency Services Coordinator | emergency traffic control request |