| Source Element | Destination Element | Flow | 
|---|
| Kentucky State Police Post 12 Patrol Car | KYTC District 7 Traffic Signals | local signal preemption request | 
|---|
| LFUCG Traffic Signals | local signal preemption request | 
| Kentucky State Police Post 7 Patrol Car | KYTC District 7 Traffic Signals | local signal preemption request | 
|---|
| Lextran Transit Vehicle | KYTC District 7 Traffic Signals | local signal priority request | 
|---|
| LFUCG Traffic Signals | local signal priority request | 
| LFUCG Emergency Vehicles | KYTC District 7 Traffic Signals | local signal preemption request | 
|---|
| LFUCG Traffic Signals | local signal preemption request | 
| Vehicle | LFCPA Parking Management System | vehicle payment information | 
|---|