| Source Element | Destination Element | Flow | 
|---|
| Blanchfield Army Community Hospital EMS Vehicles | Fort Campbell Traffic Signals | local signal preemption request | 
| City of Clarksville Fire Vehicles | City of Clarksville Traffic Signals | local signal preemption request | 
| City of Clarksville On-Street Parking Meters | City of Clarksville Parking Authority | vehicle payment information | 
| City of Clarksville Parking Authority | City of Clarksville On-Street Parking Meters | vehicle payment request | 
| City of Clarksville On-Street Parking Meters | vehicle payment update | 
| City of Clarksville Police Vehicles | City of Clarksville Traffic Signals | local signal preemption request | 
| CTS Fixed-Route Vehicles | City of Clarksville Traffic Signals | local signal priority request | 
| Fort Campbell Entry Gate Closure Barriers | Fort Campbell Public Safety Vehicles | barrier system status | 
| Fort Campbell Public Safety Vehicles | Fort Campbell Entry Gate Closure Barriers | barrier system control | 
| Fort Campbell Traffic Signals | local signal preemption 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/County Public Safety Vehicles | KYTC Traffic Signals | local signal preemption request | 
| Municipal Traffic Signals | local signal preemption request | 
| Public/Private Vehicles | City of Clarksville Field Sensors | traffic probe data |