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Arizona Technology (AZTech) Project - Model Deployment Initiative

The term AZTech™ refers to the model deployment and regional Management of an Intelligent Transportation System developed for the Phoenix Metropolitan area… a seamlessly integrated, multi-modal regional freeway and arterial street network focused on decreased travel time and enhanced motorist safety, mobility and roadway efficiency.

Background


The AZTech™ concept emerged as the answer to mounting concern among our civic leaders that separate transportation agendas, with varying and diverse viewpoints jurisdiction to jurisdiction, serve neither the regional traveler nor individual agency traffic managers. Since its launch in 1996, AZTech™ has become a mechanism for interfacing and integration. It has developed and assimilated the latest in innovative transportation technology, demonstrating the distinct and measurable advantages of a multi-agency regional traffic management operating coalition.

Use of Intelligent Transportation Systems (ITS) by AZTech


The AZTech system uses a number of traffic control and traffic information technologies collectively known as Intelligent Transportation Systems, or ITS. These computer and communication tools provide real-time information to traffic control centers about traffic flow changes and emergency incidents, and enable these centers to adjust traffic signals and provide motorist information about roadway conditions via dynamic message signs.

Historically, governments have responded to heavy and recurring traffic congestion by building or expanding highway and street systems. But the costs to implement these public works projects are enormous, and time consuming as well. Implementing ITS tools for traffic management --- on the existing system --- can be one alternative. Using traffic sensors along highways and streets, connected to communication networks that are integrated into traffic control centers located throughout a region, traffic managers can permit motorists to move more quickly, safely, and efficiently through the existing transportation system. And the costs to design and install these automated traffic management tools are often a fraction of new construction.

AZTech is all about using the many tools of ITS to equip traffic managers with new traffic control strategies and, at the same time, benefit travelers with timely travel information. Traffic detectors, emergency notification and management systems, dynamic message signs, and closed circuit television systems all work together to make the benefit real. Whether sensing traffic congestion and instantly alerting oncoming motorists of alternate routes, or providing the communication integration across city boundaries in order to improve traffic flow, AZTech provides useful, up-to-the-minute traffic information for all citizens of the Phoenix metropolitan area.

Mission, Vision, Goals, Strategies, and Values
Mission

The AZTech™ mission is to champion the integration of intelligent communication and transportation systems technologies for regional solutions that provide timely and accurate information, save lives, improve mobility and enhance quality of life.

Vision

The AZTech™ vision is a world-class regional transportation and communication system that provides real-time information and on-time services to enable safe and efficient travel, meeting the needs of our community.

Goals

The objectives for the AZTech™ project are to:


 * Integrate the existing Intelligent Transportation System infrastructure (ITI) into a regional system.
 * Establish a regional integrated traveler information system.
 * Expand the transportation management system for the Phoenix metropolitan area.

Strategies


 * Establish Education and Outreach Programs
 * Expand & Strengthen Partnerships
 * Optimize Regional Operations and Management
 * Plan, Develop, & Deploy Integrated Regional Systems
 * Research and Test New Technological Opportunities

Values


 * Collaboration
 * Leadership
 * Integration
 * Results

Regional Operational Guidelines
The AZTech™ Regional Operational Guidelines documents were developed to fulfill the need for interagency sharing and operations of the ITS infrastructure deployed by public agencies in the AZTech™ network. The guidelines provide the recommended procedures and standards for an AZTech™ public agency to operate another agency’s devices to improve regional traffic management within the Phoenix metropolitan area.


 * Center-to-Center Video Feed & Camera Control Guidelines
 * Center-to-Center Dynamic Message Sign Guidelines
 * Center-to-Center Traffic Management Systems Guidelines

Center-to-Center Standards
The AZTech™ Center-to-Center Specification has been developed through the consensus input of regional stakeholders. Following a Systems Engineering Methodology, a user needs assessment and concept of operations (ConOps) were developed. Based on the ConOps, system functional requirements and a regional stakeholder agreement were then developed.

The system functional requirements for DMS (Dynamic Message Signs) and TMS (Traffic Management Systems) are the basis for development of the technical specifications for information exchange among centers in the region.

System Interface Specifications The technical specification is based on stakeholder input and review of the requirements analysis and design presented herein at a stakeholder workshop held on June 14, 2006. The final specification in PDF format, and WSDL and XML schema are available from the links at left. The WSDL and XML Schema files were validated using XML Spy. A security white paper has also been developed to address web services SOAP Message security based on the OASIS standard.

Stakeholder Agreement Functional Requirements Requirements Traceability Dialogs <li class="bodyUL"><a href="http://consystec.com/c2cxml/wsdlgen/wsdlWorksheetRpt.php?wsdl=AZTech-Local-01-00-09" target="_blank">WSDL Worksheet</a></li> <li class="bodyUL"><a href="http://consystec.com/c2cxml/wsdlgen/wsdlMsgRpt.php?wsdl=AZTech-Local-01-00-09" target="_blank">Message List</a></li> <li class="bodyUL"><a href="../docs/c2c/az-c2c-spec.pdf">Specification</a></li> <li class="bodyUL"><a href="../docs/c2c/AZTech-Local-01-00-09_wsdl.xml" target="_blank">WSDL</a></li> <li class="bodyUL"><a href="../docs/c2c/xml.htm" target="_blank">XML Schema</a></li> <li class="bodyUL"><a href="http://www.itsware.net/ITSschemas/AzTech/AZTech-01-00-09/docs/docs.html">XML Schema (XMLSpy View)</a></li> <li class="bodyUL"><a href="../docs/c2c/az-c2c-wssecurity.pdf">SOAP Message Security White Paper</a></li> <li class="bodyUL"><a href="../docs/rads1512.pdf">RADS 1512 Message Set</a></li> <li class="bodyUL"><a href="../docs/tmsC2CInf_2007-10-30.pdf">RADS TMS Message Interface</a></li>
 * AzTech C2C System Diagram
 * Concept of Operations