New Mexico Statewide ITS Architecture

Statewide Signal Intersection Upgrades

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Description

Statewide upgrade of signalization equipment

Status

Planned

Timeframe

Short

Geographic Scope

Statewide

Service Scope

Trafic and Maintenance Management

Stakeholders

NMDOT - New Mexico Department of Transportation

Inventory

NMDOT CCTV

NMDOT Signal Lab

NMDOT Traffic Signals

Services

ATMS03-1 - Traffic Signal Control - NMDOT Signal Lab

Functional Areas

Roadway Signal Controls

• 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 provide the capability to notify the traffic management center of pedestrian calls and pedestrian accommodations.
• 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.

TMC Signal Control

• 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.
• 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.

Interfaces

Source	Architecture Flows	Destination
NMDOT CCTV	traffic images	NMDOT Statewide TMC
NMDOT Signal Lab	traffic sensor control	NMDOT Traffic Signals
NMDOT Signal Lab	signal control commands	NMDOT Traffic Signals
NMDOT Signal Lab	signal control device configuration	NMDOT Traffic Signals
NMDOT Signal Lab	signal control plans	NMDOT Traffic Signals
NMDOT Signal Lab	signal system configuration	NMDOT Traffic Signals
NMDOT Statewide TMC	video surveillance control	NMDOT CCTV
NMDOT Traffic Signals	right-of-way request notification	NMDOT Signal Lab
NMDOT Traffic Signals	signal control status	NMDOT Signal Lab
NMDOT Traffic Signals	traffic flow	NMDOT Signal Lab
NMDOT Traffic Signals	signal fault data	NMDOT Signal Lab

Standards

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

Operational Concepts

Stakeholder	Roles and Responsibilities