Triangle Region ITS Architecture

NEMA TS 4: Hardware Standards for Dynamic Message Signs (DMS) with NTCIP Requirements

Element	Physical Object	Functional Object
Chapel Hill DMS	ITS Roadway Equipment	Roadway Traffic Information Dissemination
	ITS Roadway Equipment	Roadway Work Zone Traffic Control
Durham DMS	ITS Roadway Equipment	Roadway Traffic Information Dissemination
	ITS Roadway Equipment	Roadway Work Zone Traffic Control
Local ITS Field Equipment	ITS Roadway Equipment	Roadway Traffic Information Dissemination
	ITS Roadway Equipment	Roadway Work Zone Traffic Control
NCDOT CCTV Cameras	ITS Roadway Equipment	Roadway Traffic Information Dissemination
NCDOT DMS	ITS Roadway Equipment	Roadway Traffic Information Dissemination
	ITS Roadway Equipment	Roadway Work Zone Traffic Control
NCDOT Lane Controls	ITS Roadway Equipment	Roadway Dynamic Lane Management and Shoulder Use
	ITS Roadway Equipment	Roadway Traffic Information Dissemination
NCDOT Managed Motorway Devices	ITS Roadway Equipment	Roadway Dynamic Lane Management and Shoulder Use
	ITS Roadway Equipment	Roadway Traffic Information Dissemination
NCDOT Ramp Meters	ITS Roadway Equipment	Roadway Dynamic Lane Management and Shoulder Use
	ITS Roadway Equipment	Roadway Traffic Information Dissemination
NCDOT Traffic Sensors	ITS Roadway Equipment	Roadway Traffic Information Dissemination
NCDOT Variable Speed Limit Signs	ITS Roadway Equipment	Roadway Dynamic Lane Management and Shoulder Use
	ITS Roadway Equipment	Roadway Traffic Information Dissemination
NCTA Field Devices	ITS Roadway Equipment	Roadway Speed Monitoring and Warning
	ITS Roadway Equipment	Roadway Traffic Information Dissemination
Raleigh DMS	ITS Roadway Equipment	Roadway Traffic Information Dissemination
	ITS Roadway Equipment	Roadway Work Zone Traffic Control