Farmington ITS Architecture Update

Arterial Route to Bloomfield Phase 1

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Description

This project will install a traffic signal at the intersection of US550/NM 173.

Status

Planned

Timeframe

Short

Geographic Scope

US 550/NM 173

Service Scope

Stakeholders

City of Aztec Public Works

Inventory

Aztec Field Devices

Aztec Traffic Management

Services

ATMS03-1 - Traffic Signal Control - Aztec

Functional Areas

Collect Traffic Surveillance

• The center shall monitor, analyze, and store traffic sensor data (speed, volume, occupancy) collected from field elements under remote control of the center.

Roadway Basic Surveillance

• 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.

Roadway Signal Controls

• The field element shall control traffic signals under center control.
• The field element shall provide the capability to notify the traffic management center of pedestrian calls and pedestrian accommodations.
• The field element shall respond to pedestrian crossing requests by accommodating the pedestrian crossing.
• The field element shall return traffic signal controller operational status to the center.

TMC Signal Control

• The center shall accept notifications of pedestrian calls.
• The center shall remotely control traffic signal controllers.

Traffic Equipment Maintenance

• The center shall collect and store sensor (traffic, pedestrian, multimodal crossing) operational status.

Interfaces

Source	Architecture Flows	Destination
Aztec Field Devices	right-of-way request notification	Aztec Traffic Management
Aztec Field Devices	signal control status	Aztec Traffic Management
Aztec Field Devices	traffic flow	Aztec Traffic Management
Aztec Field Devices	signal fault data	Aztec Traffic Management
Aztec Traffic Management	traffic sensor control	Aztec Field Devices
Aztec Traffic Management	signal control commands	Aztec Field Devices
Aztec Traffic Management	signal control device configuration	Aztec Field Devices
Aztec Traffic Management	signal control plans	Aztec Field Devices
Aztec Traffic Management	signal system configuration	Aztec Field Devices

Standards

SDO	Document ID	Title	Type
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
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
City of Aztec Public Works
	Operate traffic signal systems on city-owned streets.