| Source Element | Destination Element | Flow | 
|---|
| City of Clarksville Flood Detectors | City of Clarksville Flood Warning Beacons | roadway equipment coordination | 
| City of Clarksville Flood Warning Beacons | City of Clarksville Flood Detectors | roadway equipment coordination | 
| City of Clarksville Programmable School Flashing Beacons | City of Clarksville TOC | signal control status | 
| City of Clarksville TOC | signal fault data | 
| City of Clarksville Rail Notification System | City of Clarksville Traffic Signals | roadway equipment coordination | 
| City of Clarksville Reversible Lane Equipment | City of Clarksville TOC | signal control status | 
| City of Clarksville TOC | signal fault data | 
| 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 | 
| City of Clarksville Traffic Signals | City of Clarksville Rail Notification System | roadway equipment coordination | 
| City of Clarksville TOC | right-of-way request notification | 
| City of Clarksville TOC | signal control status | 
| City of Clarksville TOC | signal fault data | 
| Fort Campbell Rail Notification System | Fort Campbell Traffic Signals | roadway equipment coordination | 
| Fort Campbell TOC | 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 | 
| Fort Campbell Traffic Signals | Fort Campbell Rail Notification System | roadway equipment coordination | 
| Fort Campbell TOC | right-of-way request notification | 
| Fort Campbell TOC | signal control status | 
| Fort Campbell TOC | signal fault data | 
| KYTC District 2 TMC | 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 Traffic Signals | KYTC District 2 TMC | right-of-way request notification | 
| KYTC District 2 TMC | signal control status | 
| KYTC District 2 TMC | signal fault data | 
| Municipal Rail Notification System | Municipal Traffic Signals | roadway equipment coordination | 
| Municipal TOC | 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 Rail Notification System | roadway equipment coordination | 
| Municipal TOC | right-of-way request notification | 
| Municipal TOC | signal control status | 
| Municipal TOC | signal fault data | 
| TDOT DMS | TDOT Wrong-Way Detection and Warning Equipment | roadway equipment coordination | 
| TDOT Wrong-Way Detection and Warning Equipment | TDOT DMS | roadway equipment coordination |