| Source Element | Destination Element | Flow |
|---|
| City of St Louis Traffic Operations Center | City of St Louis Traffic Signals | signal control commands |
|---|
| City of St Louis Traffic Signals | signal control device configuration |
| City of St Louis Traffic Signals | signal control plans |
| City of St Louis Traffic Signals | signal system configuration |
| Fire and Rescue Centers (County and Local) | emergency traffic control information |
| Metro Transit Operations Center | traffic control priority status |
| Missouri DOT Gateway Guide TMC | emergency traffic control information |
| Missouri DOT Gateway Guide TMC | emergency traffic control request |
| Missouri SHP Operations Center | emergency traffic control information |
| City of St Louis Traffic Signals | City of St Louis Traffic Operations Center | right–of–way request notification |
|---|
| Fire and Rescue Centers (County and Local) | City of St Louis Traffic Operations Center | emergency traffic control request |
|---|
| Illinois DOT Traffic Operations Center | emergency traffic control request |
| Missouri DOT – Tunnel Control Center (Lindbergh Blvd) | emergency traffic control request |
| Missouri DOT Gateway Guide TMC | emergency traffic control request |
| St Charles County Gateway Green Light System | emergency traffic control request |
| St Charles County Traffic Operations Center | emergency traffic control request |
| St Louis County Traffic Operations Center | emergency traffic control request |
| Franklin County Local Jurisdiction Traffic Signal | Franklin County Local Jurisdictional Traffic Engineering Department | right–of–way request notification |
|---|
| Franklin County Local Jurisdictional Traffic Engineering Department | Franklin County Local Jurisdiction Traffic Signal | signal control commands |
|---|
| Franklin County Local Jurisdiction Traffic Signal | signal control device configuration |
| Franklin County Local Jurisdiction Traffic Signal | signal control plans |
| Franklin County Local Jurisdiction Traffic Signal | signal system configuration |
| HERE Detector Information ISP | Missouri DOT Gateway Guide TMC | right–of–way request notification |
|---|
| Illinois DOT Traffic Field Equipment | Illinois DOT Traffic Operations Center | right–of–way request notification |
|---|
| Monroe County Local Jurisdictional Traffic Engineering Department | right–of–way request notification |
| Illinois DOT Traffic Operations Center | Fire and Rescue Centers (County and Local) | emergency traffic control information |
|---|
| Illinois DOT Traffic Signal | signal control commands |
| Illinois DOT Traffic Signal | signal control device configuration |
| Illinois DOT Traffic Signal | signal control plans |
| Illinois DOT Traffic Signal | signal system configuration |
| Madison County Local Jurisdiction Traffic Signal | signal control commands |
| Madison County Local Jurisdiction Traffic Signal | signal control device configuration |
| Madison County Local Jurisdiction Traffic Signal | signal control plans |
| Madison County Local Jurisdiction Traffic Signal | signal system configuration |
| Metro Transit Operations Center | traffic control priority status |
| Missouri DOT Gateway Guide TMC | emergency traffic control information |
| Missouri DOT Gateway Guide TMC | emergency traffic control request |
| Monroe County Local Jurisdiction Traffic Signal | signal control commands |
| Monroe County Local Jurisdiction Traffic Signal | signal control device configuration |
| Monroe County Local Jurisdiction Traffic Signal | signal control plans |
| Monroe County Local Jurisdiction Traffic Signal | signal system configuration |
| Monroe County Local Jurisdictional Traffic Engineering Department | emergency traffic control information |
| Monroe County Local Jurisdictional Traffic Engineering Department | emergency traffic control request |
| St Clair County Local Jurisdiction Traffic Signal | signal control commands |
| St Clair County Local Jurisdiction Traffic Signal | signal control device configuration |
| St Clair County Local Jurisdiction Traffic Signal | signal control plans |
| St Clair County Local Jurisdiction Traffic Signal | signal system configuration |
| St Clair County Local Jurisdictional Traffic Engineering Department | emergency traffic control information |
| St Clair County Local Jurisdictional Traffic Engineering Department | emergency traffic control request |
| Illinois DOT Traffic Signal | Illinois DOT Traffic Operations Center | right–of–way request notification |
|---|
| Madison County Local Jurisdiction Traffic Signal | signal control data |
| Madison County Local Jurisdictional Traffic Engieering Department | right–of–way request notification |
| St Clair County Local Jurisdiction Traffic Signal | signal control data |
| St Clair County Local Jurisdictional Traffic Engineering Department | right–of–way request notification |
| Jefferson County Local Jurisdiction Traffic Signal | Jefferson County Local Jurisdictional Traffic Engineering Department | right–of–way request notification |
|---|
| Jefferson County Local Jurisdictional Traffic Engineering Department | Jefferson County Local Jurisdiction Traffic Signal | signal control commands |
|---|
| Jefferson County Local Jurisdiction Traffic Signal | signal control device configuration |
| Jefferson County Local Jurisdiction Traffic Signal | signal control plans |
| Jefferson County Local Jurisdiction Traffic Signal | signal system configuration |
| Lambert Airport Emergency Services | Missouri DOT – Tunnel Control Center (Lindbergh Blvd) | emergency traffic control request |
|---|
| Local Police Operation Center | Missouri DOT Gateway Guide TMC | emergency traffic control request |
|---|
| Madison County Local Jurisdiction Traffic Signal | Illinois DOT Traffic Operations Center | right–of–way request notification |
|---|
| Illinois DOT Traffic Signal | signal control data |
| Madison County Local Jurisdictional Traffic Engieering Department | right–of–way request notification |
| Madison County Local Jurisdictional Traffic Engieering Department | Illinois DOT Traffic Signal | signal control commands |
|---|
| Illinois DOT Traffic Signal | signal control device configuration |
| Illinois DOT Traffic Signal | signal control plans |
| Illinois DOT Traffic Signal | signal system configuration |
| Madison County Local Jurisdiction Traffic Signal | signal control commands |
| Madison County Local Jurisdiction Traffic Signal | signal control device configuration |
| Madison County Local Jurisdiction Traffic Signal | signal control plans |
| Madison County Local Jurisdiction Traffic Signal | signal system configuration |
| Metro Transit Operations Center | City of St Louis Traffic Operations Center | traffic control priority request |
|---|
| Illinois DOT Traffic Operations Center | traffic control priority request |
| Missouri DOT Gateway Guide TMC | traffic control priority request |
| Metro Transit Vehicle (bus) | City of St Louis Traffic Signals | local signal priority request |
|---|
| Illinois DOT Traffic Signal | local signal priority request |
| Metro Transit Field Equipment | local signal priority request |
| Missouri DOT Traffic Signal | local signal priority request |
| Missouri DOT – Tunnel Control Center (Lindbergh Blvd) | Fire and Rescue Centers (County and Local) | emergency traffic control information |
|---|
| Lambert Airport Emergency Services | emergency traffic control information |
| Missouri DOT – Tunnel Control Center(Lindbergh Blvd) Field Equipment | signal control commands |
| Missouri DOT – Tunnel Control Center(Lindbergh Blvd) Field Equipment | signal control device configuration |
| Missouri DOT – Tunnel Control Center(Lindbergh Blvd) Field Equipment | signal control plans |
| Missouri DOT – Tunnel Control Center(Lindbergh Blvd) Field Equipment | signal system configuration |
| Missouri DOT Gateway Guide TMC | emergency traffic control information |
| Missouri DOT Gateway Guide TMC | emergency traffic control request |
| Missouri SHP Operations Center | emergency traffic control information |
| St Louis County Police Center | emergency traffic control information |
| St Louis County Traffic Operations Center | emergency traffic control information |
| St Louis County Traffic Operations Center | emergency traffic control request |
| Missouri DOT Dynamic Message Signs | Missouri DOT Gateway Guide TMC | right–of–way request notification |
|---|
| Missouri DOT Gateway Guide TMC | City of St Louis Traffic Operations Center | emergency traffic control information |
|---|
| City of St Louis Traffic Operations Center | emergency traffic control request |
| City of St Louis Traffic Signals | signal control commands |
| City of St Louis Traffic Signals | signal control device configuration |
| City of St Louis Traffic Signals | signal control plans |
| City of St Louis Traffic Signals | signal system configuration |
| Fire and Rescue Centers (County and Local) | emergency traffic control information |
| Illinois DOT Traffic Operations Center | emergency traffic control information |
| Illinois DOT Traffic Operations Center | emergency traffic control request |
| Local Police Operation Center | emergency traffic control information |
| Metro Transit Operations Center | traffic control priority status |
| Missouri DOT – Tunnel Control Center (Lindbergh Blvd) | emergency traffic control information |
| Missouri DOT – Tunnel Control Center (Lindbergh Blvd) | emergency traffic control request |
| Missouri DOT Traffic Field Equipment | signal control device configuration |
| Missouri DOT Traffic Signal | signal control commands |
| Missouri DOT Traffic Signal | signal control device configuration |
| Missouri DOT Traffic Signal | signal control plans |
| Missouri DOT Traffic Signal | signal system configuration |
| St Charles County Gateway Green Light System | emergency traffic control request |
| St Charles County Local Jurisdiction Traffic Signal | signal control commands |
| St Charles County Local Jurisdiction Traffic Signal | signal control device configuration |
| St Charles County Local Jurisdiction Traffic Signal | signal control plans |
| St Charles County Traffic Field Equipment | signal system configuration |
| St Charles County Traffic Operations Center | emergency traffic control information |
| St Charles County Traffic Operations Center | emergency traffic control request |
| St Charles County Traffic Signal | signal control commands |
| St Charles County Traffic Signal | signal control device configuration |
| St Charles County Traffic Signal | signal control plans |
| St Louis County Police Center | emergency traffic control information |
| St Louis County Traffic Operations Center | emergency traffic control information |
| St Louis County Traffic Operations Center | emergency traffic control request |
| St Louis County Traffic Signal | signal control commands |
| St Louis County Traffic Signal | signal control device configuration |
| St Louis County Traffic Signal | signal control plans |
| St Louis County Traffic Signal | signal system configuration |
| Missouri DOT Traffic Field Equipment | Missouri DOT Gateway Guide TMC | right–of–way request notification |
|---|
| Missouri SHP Operations Center | City of St Louis Traffic Operations Center | emergency traffic control request |
|---|
| Missouri DOT – Tunnel Control Center (Lindbergh Blvd) | emergency traffic control request |
| Monroe County Local Jurisdiction Traffic Signal | Illinois DOT Traffic Operations Center | right–of–way request notification |
|---|
| Monroe County Local Jurisdictional Traffic Engineering Department | right–of–way request notification |
| Monroe County Local Jurisdictional Traffic Engineering Department | Illinois DOT Traffic Field Equipment | signal control commands |
|---|
| Illinois DOT Traffic Field Equipment | signal control device configuration |
| Illinois DOT Traffic Field Equipment | signal control plans |
| Illinois DOT Traffic Field Equipment | signal system configuration |
| Illinois DOT Traffic Operations Center | emergency traffic control information |
| Illinois DOT Traffic Operations Center | emergency traffic control request |
| Monroe County Local Jurisdiction Traffic Signal | signal control commands |
| Monroe County Local Jurisdiction Traffic Signal | signal control device configuration |
| Monroe County Local Jurisdiction Traffic Signal | signal control plans |
| Monroe County Local Jurisdiction Traffic Signal | signal system configuration |
| St Charles City Transit Center | St Charles County Traffic Operations Center | emergency traffic control information |
|---|
| St Charles County Gateway Green Light System | Fire and Rescue Centers (County and Local) | emergency traffic control information |
|---|
| Missouri DOT Gateway Guide TMC | emergency traffic control information |
| St Charles County Local Jurisdiction Traffic Signal | signal control commands |
| St Charles County Local Jurisdiction Traffic Signal | signal control device configuration |
| St Charles County Local Jurisdiction Traffic Signal | signal control plans |
| St Charles County Local Jurisdiction Traffic Signal | signal system configuration |
| St Charles County Traffic Field Equipment | signal control plans |
| St Charles County Traffic Operations Center | emergency traffic control information |
| St Charles County Traffic Signal | signal control commands |
| St Charles County Traffic Signal | signal control plans |
| St Charles County Traffic Signal | signal system configuration |
| St Charles County Local Jurisdiction Traffic Signal | St Charles County Gateway Green Light System | right–of–way request notification |
|---|
| St Charles County Traffic Field Equipment | signal control data |
| St Charles County Local Jurisdictional Traffic Engineering Department | St Charles County Local Jurisdiction Traffic Signal | signal control commands |
|---|
| St Charles County Local Jurisdiction Traffic Signal | signal control device configuration |
| St Charles County Local Jurisdiction Traffic Signal | signal control plans |
| St Charles County Traffic Operations Center | emergency traffic control information |
| St Charles County Traffic Operations Center | emergency traffic control request |
| St Charles County Traffic Field Equipment | St Charles County Gateway Green Light System | right–of–way request notification |
|---|
| St Charles County Traffic Operations Center | right–of–way request notification |
| St Charles County Traffic Operations Center | Fire and Rescue Centers (County and Local) | emergency traffic control information |
|---|
| Missouri DOT Gateway Guide TMC | emergency traffic control information |
| Missouri DOT Gateway Guide TMC | emergency traffic control request |
| St Charles City Transit Center | emergency traffic control request |
| St Charles County Gateway Green Light System | emergency traffic control request |
| St Charles County Local Jurisdiction Traffic Signal | signal control commands |
| St Charles County Local Jurisdictional Traffic Engineering Department | emergency traffic control information |
| St Charles County Local Jurisdictional Traffic Engineering Department | emergency traffic control request |
| St Charles County Traffic Signal | signal control commands |
| St Charles County Traffic Signal | signal control device configuration |
| St Charles County Traffic Signal | signal control plans |
| St Charles County Traffic Signal | signal system configuration |
| St Charles County Traffic Signal | St Charles County Traffic Operations Center | right–of–way request notification |
|---|
| St Clair County Local Jurisdiction Traffic Signal | Illinois DOT Traffic Operations Center | right–of–way request notification |
|---|
| St Clair County Local Jurisdictional Traffic Engineering Department | right–of–way request notification |
| St Clair County Local Jurisdictional Traffic Engineering Department | Illinois DOT Traffic Operations Center | emergency traffic control information |
|---|
| Illinois DOT Traffic Operations Center | emergency traffic control request |
| Illinois DOT Traffic Signal | signal control commands |
| Illinois DOT Traffic Signal | signal control device configuration |
| Illinois DOT Traffic Signal | signal control plans |
| Illinois DOT Traffic Signal | signal system configuration |
| St Clair County Local Jurisdiction Traffic Signal | signal control commands |
| St Clair County Local Jurisdiction Traffic Signal | signal control device configuration |
| St Clair County Local Jurisdiction Traffic Signal | signal control plans |
| St Clair County Local Jurisdiction Traffic Signal | signal system configuration |
| St Louis County Local Jurisdictional Traffic Engineering Department | St Louis County Traffic Operations Center | emergency traffic control information |
|---|
| St Louis County Traffic Operations Center | emergency traffic control request |
| St Louis County Police Center | Missouri DOT – Tunnel Control Center (Lindbergh Blvd) | emergency traffic control request |
|---|
| Missouri DOT Gateway Guide TMC | emergency traffic control request |
| St Louis County Traffic Operations Center | emergency traffic control request |
| St Louis County Traffic Operations Center | City of St Louis Traffic Operations Center | emergency traffic control information |
|---|
| Fire and Rescue Centers (County and Local) | emergency traffic control information |
| Metro Transit Operations Center | traffic control priority status |
| Missouri DOT – Tunnel Control Center (Lindbergh Blvd) | emergency traffic control information |
| Missouri DOT – Tunnel Control Center (Lindbergh Blvd) | emergency traffic control request |
| Missouri DOT Gateway Guide TMC | emergency traffic control information |
| Missouri DOT Gateway Guide TMC | emergency traffic control request |
| St Louis County Local Jurisdictional Traffic Engineering Department | emergency traffic control information |
| St Louis County Local Jurisdictional Traffic Engineering Department | emergency traffic control request |
| St Louis County Police Center | emergency traffic control information |
| St Louis County Traffic Signal | signal control commands |
| St Louis County Traffic Signal | signal control device configuration |
| St Louis County Traffic Signal | signal control plans |
| St Louis County Traffic Signal | signal system configuration |
| St Louis County Traffic Signal | St Louis County Traffic Operations Center | right–of–way request notification |
|---|
| St. Louis County Traffic Field Equipment | St Louis County Traffic Operations Center | right–of–way request notification |
|---|