ISO 21217: Intelligent transport systems — Communications access for land mobiles (CALM) — Architecture
| Element | Physical Object | Functional Object |
|---|---|---|
| Caldwell Field Equipment | ITS Object | ITS Communications Support |
| ITS Object | ITS Security Support | |
| Caldwell TMC | ITS Object | ITS Communications Support |
| ITS Object | ITS Security Support | |
| Nampa Traffic Management Center | ITS Object | ITS Communications Support |
| ITS Object | ITS Security Support |