NEMA TS 5: Portable Traffic Signal Systems (PTSS) Standard Control Circuit and Pilot Devices
| Element | Physical Object | Functional Object |
|---|---|---|
| Illinois DOT Dynamic Message Signs | ITS Roadway Equipment | Roadway Work Zone Traffic Control |
| Element | Physical Object | Functional Object |
|---|---|---|
| Illinois DOT Dynamic Message Signs | ITS Roadway Equipment | Roadway Work Zone Traffic Control |