| Source Element | Destination Element | Flow |
|---|
| City of St Louis Traffic Operations Center | East–West Gateway COG Archive Data System | emergency archive data |
|---|
| East–West Gateway COG Archive Data System | traffic archive data |
| Fire and Rescue Centers (County and Local) | East–West Gateway COG Archive Data System | emergency archive data |
|---|
| Missouri DOT Gateway Guide TMC | emergency archive data |
| Franklin County Local Jurisdictional Traffic Engineering Department | East–West Gateway COG Archive Data System | emergency archive data |
|---|
| East–West Gateway COG Archive Data System | traffic archive data |
| HERE Detector Information ISP | East–West Gateway COG Archive Data System | traveler archive data |
|---|
| Missouri DOT Gateway Guide TMC | traveler archive data |
| Illinois DOT Maintenance Vehicle | Illinois DOT Traffic Field Equipment | infrastructure monitoring sensor control |
|---|
| St Clair County Local Jurisdiction Traffic Signal | environmental sensor data |
| St Clair County Local Jurisdiction Traffic Signal | environmental sensors control |
| St Clair County Local Jurisdiction Traffic Signal | infrastructure monitoring sensor control |
| Illinois DOT Traffic Field Equipment | Illinois DOT Maintenance Vehicle | infrastructure monitoring sensor data |
|---|
| Illinois DOT Traffic Operations Center | East–West Gateway COG Archive Data System | emergency archive data |
|---|
| East–West Gateway COG Archive Data System | traffic archive data |
| East–West Gateway COG Archive Data System | traveler archive data |
| Missouri DOT Gateway Guide TMC | emergency archive data |
| Missouri DOT Gateway Guide TMC | traffic archive data |
| Missouri DOT Gateway Guide TMC | traveler archive data |
| Illinois Weigh–in–Motion Equipment | Illinois State Police Operations Center | freight equipment information |
|---|
| PrePass Roadside Preclearance Reader | container seal status |
| PrePass Roadside Preclearance Reader | freight equipment information |
| 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) | East–West Gateway COG Archive Data System | emergency archive data |
|---|
| East–West Gateway COG Archive Data System | traffic archive data |
| Missouri DOT Gateway Guide TMC | emergency archive data |
| Missouri DOT Gateway Guide TMC | traffic archive data |
| Missouri DOT – Tunnel Control Center(Lindbergh Blvd) Field Equipment | Missouri DOT Maintenance Vehicle | infrastructure monitoring sensor data |
|---|
| Missouri DOT Gateway Guide TMC | East–West Gateway COG Archive Data System | emergency archive data |
|---|
| East–West Gateway COG Archive Data System | traffic archive data |
| East–West Gateway COG Archive Data System | traveler archive data |
| Missouri DOT Maintenance Vehicle | Missouri DOT – Tunnel Control Center(Lindbergh Blvd) Field Equipment | infrastructure monitoring sensor control |
|---|
| Missouri DOT Road Weather Information Systems | environmental sensor data |
| Missouri DOT Road Weather Information Systems | environmental sensors control |
| Missouri DOT Traffic Field Equipment | environmental sensor data |
| Missouri DOT Traffic Field Equipment | environmental sensors control |
| Missouri DOT Traffic Field Equipment | infrastructure monitoring sensor control |
| Missouri DOT Road Weather Information Systems | Missouri DOT Maintenance Vehicle | environmental sensor data |
|---|
| Missouri DOT Traffic Field Equipment | Missouri DOT Maintenance Vehicle | environmental sensor data |
|---|
| Missouri DOT Maintenance Vehicle | infrastructure monitoring sensor data |
| Private Vehicle | St Charles County Traffic Field Equipment | vehicle situation data |
|---|
| Regional Traveler Information System | Missouri DOT Gateway Guide TMC | traveler archive data |
|---|
| St Charles City Transit Center | East–West Gateway COG Archive Data System | traffic archive data |
|---|
| St Charles County Gateway Green Light System | East–West Gateway COG Archive Data System | traffic archive data |
|---|
| Missouri DOT Gateway Guide TMC | traffic archive data |
| St Charles County Traffic Operations Center | East–West Gateway COG Archive Data System | emergency archive data |
|---|
| East–West Gateway COG Archive Data System | traffic archive data |
| East–West Gateway COG Archive Data System | traveler archive data |
| Missouri DOT Gateway Guide TMC | emergency archive data |
| Missouri DOT Gateway Guide TMC | traffic archive data |
| Missouri DOT Gateway Guide TMC | traveler archive data |
| St Louis County Traffic Operations Center | East–West Gateway COG Archive Data System | emergency archive data |
|---|
| East–West Gateway COG Archive Data System | traffic archive data |
| East–West Gateway COG Archive Data System | traveler archive data |
| Missouri DOT Gateway Guide TMC | emergency archive data |
| Missouri DOT Gateway Guide TMC | traffic archive data |
| Missouri DOT Gateway Guide TMC | traveler archive data |