City of Las Cruces CENTRACS System Deployment

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 monitor, analyze, and distribute traffic images from CCTV systems under remote control of the center.
The center shall distribute road network conditions data (raw or processed) based on collected and analyzed traffic sensor and surveillance data to other centers.
The center shall respond to control data from center personnel regarding sensor and surveillance data collection, analysis, storage, and distribution.
The center shall maintain a database of surveillance equipment and sensors and associated data (including the roadway on which they are located, the type of data collected, and the ownership of each )

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 collect, process, and send traffic images to the center for further analysis and distribution.
The field element shall return sensor and CCTV system operational status to the controlling center.
The field element shall return sensor and CCTV system fault data to the controlling center for repair.
The field element shall return CCTV system operational status to the controlling center.
The field element shall return CCTV system fault data to the controlling center for repair.
The field element shall return sensor system operational status to the controlling center.
The field element shall return sensor system fault data to the controlling center for repair.

The field element shall control traffic signals under center control.
The field element shall respond to pedestrian crossing requests by accommodating the pedestrian crossing.
The field element shall report the current signal control information to the center.
The field element shall report current preemption status to the center.
The field element shall return traffic signal controller operational status to the center.
The field element shall return traffic signal controller fault data to the center.
The field element shall report current transit priority status to the center.

The center shall collect traffic signal controller fault data from the field.
The center shall manage (define, store and modify) control plans to coordinate signalized intersections, to be engaged at the direction of center personnel or according to a daily schedule.
The center shall implement control plans to coordinate signalized intersections based on data from sensors.
The center shall manage boundaries of the control sections used within the signal system.
The center shall maintain traffic signal coordination including synchronizing clocks throughout the system.
The center shall remotely control traffic signal controllers.
The center shall accept notifications of pedestrian calls.
The center shall collect traffic signal controller operational status and compare against the control information sent by the center.

Source	Architecture Flows	Destination
City of Las Cruces CCTV	traffic images	City of Las Cruces Traffic Management Center
City of Las Cruces Traffic Management Center	video surveillance control	City of Las Cruces CCTV
City of Las Cruces Traffic Management Center	traffic sensor control	City of Las Cruces Traffic Signals
City of Las Cruces Traffic Management Center	signal control commands	City of Las Cruces Traffic Signals
City of Las Cruces Traffic Signals	right-of-way request notification	City of Las Cruces Traffic Management Center
City of Las Cruces Traffic Signals	signal control status	City of Las Cruces Traffic Management Center
City of Las Cruces Traffic Signals	traffic flow	City of Las Cruces Traffic Management Center
City of Las Cruces Traffic Signals	signal fault data	City of Las Cruces Traffic Management Center

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 1205	Object Definitions for Closed Circuit Television (CCTV) Camera Control	Message/Data
AASHTO/ITE/NEMA	NTCIP 1208	Object Definitions for Closed Circuit Television (CCTV) Switching	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
AASHTO/ITE/NEMA	NTCIP 1211	Object Definitions for Signal Control and Prioritization (SCP)	Message/Data
AASHTO/ITE/NEMA	NTCIP 1214	Object Definitions for Conflict Monitor Units (CMU)	Message/Data

Stakeholder	Roles and Responsibilities
City of Las Cruces Transportation Department
	Adjust traffic signal timing based on train crossings at HRIs.
	Coordinate traffic information and control with NMDOT (through NMRoads) and with county TOC.
	Operate network monitoring equipment (CCTV Cameras, field sensors, etc.) on City streets.
	Operate traffic signal systems on City owned streets, including traffic signals, sensor systems (CCTV), and right of way requests.
	Provide emergency signal preemption for the region's Fire and EMS vehicles.
	Provide traffic information reports to regional information service providers, private information service providers, and NMRoads.
	Provide transit signal priority for RoadRunner transit vehicles.

Las Cruces Regional ITS Architecture Update