NEMA TS 5: Portable Traffic Signal Systems (PTSS) Standard Control Circuit and Pilot Devices
| Element | Physical Object | Functional Object | 
|---|---|---|
| Ada County Highway District Field Equipment | ITS Roadway Equipment | Roadway Work Zone Traffic Control | 
| Caldwell Field Equipment | ITS Roadway Equipment | Roadway Work Zone Traffic Control | 
| Nampa Field Equipment | ITS Roadway Equipment | Roadway Work Zone Traffic Control |