ISO 21217: Intelligent transport systems — Communications access for land
mobiles (CALM) — Architecture
| Element | Physical Object | Functional Object |
|---|
| City of St Louis Traffic Operations Center | ITS Object | ITS Management Support |
|---|
| Fire and Rescue Centers (County and Local) | ITS Object | ITS Management Support |
|---|
| Illinois DOT Traffic Operations Center | ITS Object | ITS Management Support |
|---|
| Local Police Operation Center | ITS Object | ITS Management Support |
|---|
| Missouri DOT – Tunnel Control Center (Lindbergh Blvd) | ITS Object | ITS Management Support |
|---|
| Missouri DOT Gateway Guide TMC | ITS Object | ITS Management Support |
|---|
| ITS Object | ITS Security Support |
| St Charles County Traffic Operations Center | ITS Object | ITS Management Support |
|---|
| St Louis County Police Center | ITS Object | ITS Management Support |
|---|
| St Louis County Traffic Operations Center | ITS Object | ITS Management Support |
|---|
| St Louis Metropolitan Police Center | ITS Object | ITS Management Support |
|---|