| Source Element | Destination Element | Flow |
|---|
| All Shelby County TOCs | Shelby County Office of Preparedness | emergency traffic control information |
| City of Bartlett Fire/EMS Vehicles | City of Bartlett Traffic Signals | local signal preemption request |
| City of Bartlett TOC | City of Bartlett Traffic Signals | signal control commands |
| City of Bartlett Traffic Signals | signal control device configuration |
| City of Bartlett Traffic Signals | signal control plans |
| City of Bartlett Traffic Signals | signal system configuration |
| City of Bartlett Traffic Signals | City of Bartlett TOC | right-of-way request notification |
| City of Memphis TOC | right-of-way request notification |
| City of Germantown Fire/EMS Vehicles | City of Germantown Traffic Signals | local signal preemption request |
| City of Germantown TOC | City of Germantown Traffic Signals | signal control commands |
| City of Germantown Traffic Signals | signal control device configuration |
| City of Germantown Traffic Signals | signal control plans |
| City of Germantown Traffic Signals | signal system configuration |
| City of Memphis Traffic Signals | signal control commands |
| City of Memphis Traffic Signals | signal control device configuration |
| City of Memphis Traffic Signals | signal control plans |
| City of Memphis Traffic Signals | signal system configuration |
| City of Germantown Traffic Signals | City of Germantown TOC | right-of-way request notification |
| City of Memphis TOC | right-of-way request notification |
| City of Horn Lake Fire/EMS Vehicles | City of Horn Lake Traffic Signals | local signal preemption request |
| MDOT Traffic Signals | local signal preemption request |
| City of Horn Lake TOC | City of Horn Lake Traffic Signals | signal control commands |
| City of Horn Lake Traffic Signals | signal control device configuration |
| City of Horn Lake Traffic Signals | signal control plans |
| City of Horn Lake Traffic Signals | signal system configuration |
| DeSoto County EMA | emergency traffic control information |
| City of Horn Lake Traffic Signals | City of Horn Lake TOC | right-of-way request notification |
| City of Memphis Fire/EMS Vehicles | City of Memphis Traffic Signals | local signal preemption request |
| City of Memphis Pedestrian Hybrid Beacons | City of Memphis TOC | right-of-way request notification |
| City of Memphis TOC | City of Bartlett Traffic Signals | signal control commands |
| City of Bartlett Traffic Signals | signal control device configuration |
| City of Bartlett Traffic Signals | signal control plans |
| City of Bartlett Traffic Signals | signal system configuration |
| City of Germantown Traffic Signals | signal control commands |
| City of Germantown Traffic Signals | signal control device configuration |
| City of Germantown Traffic Signals | signal control plans |
| City of Germantown Traffic Signals | signal system configuration |
| City of Memphis Traffic Signals | signal control commands |
| City of Memphis Traffic Signals | signal control device configuration |
| City of Memphis Traffic Signals | signal control plans |
| City of Memphis Traffic Signals | signal system configuration |
| Shelby County Office of Preparedness | emergency traffic control information |
| City of Memphis Traffic Signals | City of Germantown TOC | right-of-way request notification |
| City of Memphis TOC | right-of-way request notification |
| City of Millington TOC | City of Millington Traffic Signals | signal control commands |
| City of Millington Traffic Signals | signal control device configuration |
| City of Millington Traffic Signals | signal control plans |
| City of Millington Traffic Signals | signal system configuration |
| City of Millington Traffic Signals | City of Millington TOC | right-of-way request notification |
| City of Olive Branch Fire/EMS Vehicles | City of Olive Branch Traffic Signals | local signal preemption request |
| MDOT Traffic Signals | local signal preemption request |
| City of Olive Branch TOC | City of Olive Branch Traffic Signals | signal control commands |
| City of Olive Branch Traffic Signals | signal control device configuration |
| City of Olive Branch Traffic Signals | signal control plans |
| City of Olive Branch Traffic Signals | signal system configuration |
| DeSoto County EMA | emergency traffic control information |
| City of Olive Branch Traffic Signals | City of Olive Branch TOC | right-of-way request notification |
| City of Southaven Fire/EMS Vehicles | City of Southaven Traffic Signals | local signal preemption request |
| MDOT Traffic Signals | local signal preemption request |
| City of Southaven Traffic Signals | MDOT Northwest Regional TMC | right-of-way request notification |
| DeSoto County EMA | City of Horn Lake TOC | emergency traffic control request |
| City of Olive Branch TOC | emergency traffic control request |
| MDOT Northwest Regional TMC | emergency traffic control request |
| Municipal TOC | emergency traffic control request |
| DeSoto County EMS Vehicles | MDOT Traffic Signals | local signal preemption request |
| Fayette County EMA | Municipal TOC | emergency traffic control request |
| TDOT Region 4 TMC - Memphis | emergency traffic control request |
| MATA Fixed-Route Vehicles | City of Memphis Traffic Signals | local signal priority request |
| MATA Trolleys | City of Memphis Traffic Signals | local signal priority request |
| MDOT Emergency Services Coordinator | Mississippi EMA | emergency traffic control information |
| MDOT Northwest Regional TMC | City of Southaven Traffic Signals | signal control commands |
| City of Southaven Traffic Signals | signal control device configuration |
| City of Southaven Traffic Signals | signal control plans |
| City of Southaven Traffic Signals | signal system configuration |
| DeSoto County EMA | emergency traffic control information |
| MDOT Traffic Signals | signal control commands |
| MDOT Traffic Signals | signal control device configuration |
| MDOT Traffic Signals | signal control plans |
| MDOT Traffic Signals | signal system configuration |
| MDOT Traffic Signals | MDOT Northwest Regional TMC | right-of-way request notification |
| Mississippi EMA | MDOT Emergency Services Coordinator | emergency traffic control request |
| Municipal Public Safety Vehicles | Municipal Traffic Signals | local signal preemption request |
| Municipal TOC | DeSoto County EMA | emergency traffic control information |
| Fayette 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 |
| Private Contract EMS Vehicles | Shelby County Traffic Signals | local signal preemption request |
| Town of Collierville Traffic Signals | local signal preemption request |
| Shelby County Fire Vehicles | Shelby County Traffic Signals | local signal preemption request |
| Shelby County Office of Preparedness | All Shelby County TOCs | emergency traffic control request |
| City of Memphis TOC | emergency traffic control request |
| TDOT Region 4 TMC - Memphis | emergency traffic control request |
| Shelby County TOC | Shelby County Traffic Signals | signal control commands |
| Shelby County Traffic Signals | signal control device configuration |
| Shelby County Traffic Signals | signal control plans |
| Shelby County Traffic Signals | signal system configuration |
| Shelby County Traffic Signals | Shelby County TOC | right-of-way request notification |
| TDOT Emergency Services Coordinator | Tennessee EMA | emergency traffic control information |
| TDOT Region 4 TMC - Memphis | Fayette County EMA | emergency traffic control information |
| Shelby County Office of Preparedness | emergency traffic control information |
| Tennessee EMA | TDOT Emergency Services Coordinator | emergency traffic control request |
| Town of Collierville Fire Vehicles | Town of Collierville Traffic Signals | local signal preemption request |
| Town of Collierville TOC | Town of Collierville Traffic Signals | signal control commands |
| Town of Collierville Traffic Signals | signal control device configuration |
| Town of Collierville Traffic Signals | signal control plans |
| Town of Collierville Traffic Signals | signal system configuration |
| Town of Collierville Traffic Signals | Town of Collierville TOC | right-of-way request notification |