Central Ohio Regional ITS Architecture

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

Element	Physical Object	Functional Object
CRAA Dynamic Message Signs (DMS)	ITS Roadway Equipment	Roadway Traffic Information Dissemination
CRAA Highway Advisory Radio (HAR)	ITS Roadway Equipment	Roadway Traffic Information Dissemination
Local Portable Dynamic Message Signs (DMS)	ITS Roadway Equipment	Roadway Traffic Information Dissemination
	ITS Roadway Equipment	Roadway Work Zone Traffic Control
Local Vehicle Speed Monitors	ITS Roadway Equipment	Roadway Speed Monitoring and Warning
ODOT CCTV	ITS Roadway Equipment	Roadway Traffic Information Dissemination
	ITS Roadway Equipment	Roadway Work Zone Traffic Control
ODOT Dynamic Message Signs (DMS)	ITS Roadway Equipment	Roadway Traffic Information Dissemination
	ITS Roadway Equipment	Roadway Work Zone Traffic Control
ODOT Highway Advisory Radio (HAR)	ITS Roadway Equipment	Roadway Traffic Information Dissemination
	ITS Roadway Equipment	Roadway Work Zone Traffic Control
ODOT Lane Control Devices	ITS Roadway Equipment	Roadway Dynamic Lane Management and Shoulder Use
ODOT Ramp Meters	ITS Roadway Equipment	Roadway Traffic Information Dissemination
ODOT Traffic Detectors	ITS Roadway Equipment	Roadway Traffic Information Dissemination