County Commercial Vehicle Operations

The center shall maintain a database of surveillance and sensors and the freeways, surface street and rural roadways, e.g. where they are located, to which part(s) of the network their data applies, the type of data, and the ownership of each link (that i
The center shall monitor, analyze, and store traffic sensor data (speed, volume, occupancy) collected from field elements under remote control of the center.
The center shall respond to control data from center personnel regarding sensor and surveillance data collection, analysis, storage, and distribution.

The field element shall collect, process, digitize, and send traffic sensor data (speed, volume, and occupancy) to the center for further analysis and storage, under center control.
The field element shall return sensor and CCTV system fault data to the controlling center for repair.
The field element shall return sensor and CCTV system operational status to the controlling center.

The field element shall include devices (such as arterial or freeway controllers, roadway automated treatment systems, barrier and safeguard systems, emissions or pollution systems, and work zone intrusion alert systems) that provide data and status infor
The field element shall include devices (such as arterial or freeway controllers, roadway automated treatment systems, barrier and safeguard systems, emissions or pollution systems, and work zone intrusion alert systems) that receive control information f
The field element shall include sensors (such as traffic, environmental, and work zone intrusion detection sensors) that provide data and status information to other field element devices (such as dynamic message signs, ramp meters, traffic signals, work
The field element shall include sensors (such as traffic, environmental, and work zone intrusion detection sensors) that receive control information from other field element devices, without center control.

The field element shall include dynamic messages signs for dissemination of traffic and other information to drivers, under center control; the DMS may be either those that display variable text messages, or those that have fixed format display(s) (e.g. v
The field element shall provide fault data for the driver information systems equipment (DMS, HAR, etc.) to the center for repair.
The field element shall provide operational status for the driver information systems equipment (DMS, HAR, etc.) to the center.

Source	Architecture Flows	Destination
Hopkins International Airport and Burke Lakefront Airport	traffic sensor control	Hopkins International Airport Vehicle Classification System
Hopkins International Airport DMS and HAR	roadway equipment coordination	Hopkins International Airport Vehicle Classification System
Hopkins International Airport Vehicle Classification System	traffic vehicle classification data_ud	Hopkins International Airport and Burke Lakefront Airport
Hopkins International Airport Vehicle Classification System	roadway equipment coordination	Hopkins International Airport DMS and HAR

SDO	Document ID	Title	Type
AASHTO/ITE/NEMA	View List	NTCIP Center-to-Center Standards Group	Group
AASHTO/ITE/NEMA	View List	NTCIP Center-to-Field Standards Group	Group
AASHTO/ITE/NEMA	NTCIP 1201	Global Object Definitions	Message/Data
AASHTO/ITE/NEMA	NTCIP 1202	Object Definitions for Actuated Traffic Signal Controller (ASC) Units	Message/Data
AASHTO/ITE/NEMA	NTCIP 1209	Data Element Definitions for Transportation Sensor Systems (TSS)	Message/Data
AASHTO/ITE/NEMA	NTCIP 1210	Field Management Stations (FMS) - Part 1: Object Definitions for Signal System Masters	Message/Data

Stakeholder	Roles and Responsibilities

NOACA Regional ITS Architecture