Maui Regional ITS Architecture

Project Details: Maui DPW Traffic Systems Upgrade

PROJECT OVERVIEW

Project Name:

Project Details: Maui DPW Traffic Systems Upgrade

Description:

This project will upgrade Maui Traffic Systems, including signals and CCTV.

Status:

Planned

Timeframe:

Near-Term

Geographic Scope:

Maui

Project ID:

Stakeholders:

 County of Maui Department of Public Works

Service Packages:

 ATMS01-2 - Network Surveillance - Maui Department of Public Works (DPW)
ATMS03-2 - Traffic Signal Control - Maui Department of Public Works (DPW)

Project Inventory:

 Maui DPW Field Devices
Maui DPW Traffic Operations Center

FUNCTIONAL REQUIREMENTS

Click on a Project Inventory element from the list above to view functional requirements.

Collect Traffic Surveillance

  • The center shall monitor, analyze, and distribute traffic images from CCTV systems under remote control of the center.
  • 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 return sensor and CCTV system operational status to the controlling center.
  • The field element shall collect, process, and send traffic images to the center for further analysis 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.

Roadway Signal Controls

  • The field element shall report current transit priority status to the center.
  • The field element shall return traffic signal controller fault data to the center.
  • The field element shall return traffic signal controller operational status to the center.
  • The field element shall report current preemption status to the center.
  • The field element shall report the current signal control information to the center.
  • The field element shall control traffic signals under center control.

TMC Signal Control

  • The center shall maintain traffic signal coordination including synchronizing clocks throughout the system.
  • The center shall manage boundaries of the control sections used within the signal system.
  • The center shall implement control plans to coordinate signalized intersections based on data from sensors.
  • 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 collect traffic signal controller fault data from the field.
  • The center shall collect traffic signal controller operational status and compare against the control information sent by the center.
  • The center shall remotely control traffic signal controllers.

INTERFACES

Source Architecture Flows Destination
Maui DPW Field Devices right-of-way request notification Maui DPW Traffic Operations Center
Maui DPW Field Devices roadway information system status Maui DPW Traffic Operations Center
Maui DPW Field Devices signal control status Maui DPW Traffic Operations Center
Maui DPW Field Devices traffic flow Maui DPW Traffic Operations Center
Maui DPW Field Devices traffic images Maui DPW Traffic Operations Center
Maui DPW Field Devices signal fault data Maui DPW Traffic Operations Center
Maui DPW Traffic Operations Center traffic sensor control Maui DPW Field Devices
Maui DPW Traffic Operations Center signal control commands Maui DPW Field Devices
Maui DPW Traffic Operations Center video surveillance control Maui DPW Field Devices
Maui DPW Traffic Operations Center signal control device configuration Maui DPW Field Devices
Maui DPW Traffic Operations Center signal control plans Maui DPW Field Devices
Maui DPW Traffic Operations Center signal system configuration Maui DPW Field Devices

ITS STANDARDS

SDODocument IDTitleType
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 1203 Object Definitions for Dynamic Message Signs (DMS) 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
County of Maui Department of Public Works
Obtain traffic images and traffic flow data through CCTVs and field sensors, and maintain operational control of its own field equipment.
Operate traffic signal systems for County of Maui owned intersections.
Perform network surveillance for detection and verification of incidents on county roads, and send traffic/incident information and traffic images to the 911 Communications Center and County of Maui EOC.
 

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