Triangle Region ITS Architecture

NEMA TS 5: Portable Traffic Signal Systems (PTSS) Standard Control Circuit and Pilot Devices

Element	Physical Object	Functional Object
Chapel Hill DMS	ITS Roadway Equipment	Roadway Work Zone Traffic Control
Durham DMS	ITS Roadway Equipment	Roadway Work Zone Traffic Control
Local ITS Field Equipment	ITS Roadway Equipment	Roadway Work Zone Traffic Control
NCDOT DMS	ITS Roadway Equipment	Roadway Work Zone Traffic Control
Raleigh DMS	ITS Roadway Equipment	Roadway Work Zone Traffic Control