IEEE 1512.3: Standard for Hazardous Material Incident Management Message Sets for Use by Emergency Management Centers
| Source Element | Destination Element | Flow |
|---|---|---|
| Missouri DOT CVO Administration | City of St Louis Traffic Operations Center | hazmat information |
| Missouri DOT – Tunnel Control Center (Lindbergh Blvd) | hazmat information | |
| Missouri DOT Gateway Guide TMC | hazmat information | |
| St Charles County Traffic Operations Center | hazmat information | |
| St Louis County Police Center | hazmat information | |
| St Louis County Traffic Operations Center | hazmat information |