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Scroll down to view the service package description, list of elements, responsible agencies (stakeholders), candidate functional areas and requirements, and flows on this diagram.

Service Package Description

This service package monitors current transit vehicle location using an Automated Vehicle Location System. The location data may be used to determine real time schedule adherence and update the transit system’s schedule in real-time. Vehicle position may be determined either by the vehicle (e.g., through GPS) and relayed to the infrastructure or may be determined directly by the communications infrastructure. A two-way wireless communication link with the Transit Management Subsystem is used for relaying vehicle position and control measures. Fixed route transit systems may also employ beacons along the route to enable position determination and facilitate communications with each vehicle at fixed intervals. The Transit Management Subsystem processes this information, updates the transit schedule and makes real-time schedule information available to the Information Service Provider.

List of Elements on this Diagram
Click on Element Name to go to Element Detail Page.

Element Name Stakeholder

Local Dial-A-Ride Transit Dispatches Local Cities and Municipalities

Local Dial-A-Ride Transit Vehicles Local Cities and Municipalities

East Valley Dial-A-Ride Transit Dispatch East Valley Senior Services

East Valley Dial-A-Ride Transit Vehicles East Valley Senior Services

Phoenix Dial-A-Ride Transit Dispatch City of Phoenix

Phoenix Dial-A-Ride Transit Vehicles City of Phoenix

Element Name	Stakeholder
Local Dial-A-Ride Transit Dispatches	Local Cities and Municipalities
Local Dial-A-Ride Transit Vehicles	Local Cities and Municipalities
East Valley Dial-A-Ride Transit Dispatch	East Valley Senior Services
East Valley Dial-A-Ride Transit Vehicles	East Valley Senior Services
Phoenix Dial-A-Ride Transit Dispatch	City of Phoenix
Phoenix Dial-A-Ride Transit Vehicles	City of Phoenix

List of Stakeholder Elements and Roles on this Diagram
Click on Element Name to go to Page with Element Details.
Click on Functional Area/Role to go to Page with Candidate Functional Requirements.

Stakeholder Element Name Functional Area/Role Functional Area Description

City of Phoenix Phoenix Dial-A-Ride Transit Dispatch Transit Center Vehicle Tracking This equipment package monitors transit vehicle location. The location information is collected via a data communication link between the transit vehicles and the transit center. The location information is presented to the transit operator on a digitized map of the transit service area. The location data may be used to determine real time schedule adherence and update the transit system’s schedule in real-time. The real-time schedule information is provided to Information Service Providers and the Transit Center Information Services equipment package, which furnish the information to travelers.
City of Phoenix Phoenix Dial-A-Ride Transit Vehicles On-board Transit Trip Monitoring This on-board equipment package tracks vehicle location, monitors fuel usage, collects operational status (doors opened/closed, running times, etc.) and sends the collected, time stamped data to the Transit Management Subsystem.
East Valley Senior Services East Valley Dial-A-Ride Transit Dispatch Transit Center Vehicle Tracking This equipment package monitors transit vehicle location. The location information is collected via a data communication link between the transit vehicles and the transit center. The location information is presented to the transit operator on a digitized map of the transit service area. The location data may be used to determine real time schedule adherence and update the transit system’s schedule in real-time. The real-time schedule information is provided to Information Service Providers and the Transit Center Information Services equipment package, which furnish the information to travelers.
East Valley Senior Services East Valley Dial-A-Ride Transit Vehicles On-board Transit Trip Monitoring This on-board equipment package tracks vehicle location, monitors fuel usage, collects operational status (doors opened/closed, running times, etc.) and sends the collected, time stamped data to the Transit Management Subsystem.
Local Cities and Municipalities Local Dial-A-Ride Transit Dispatches Transit Center Vehicle Tracking This equipment package monitors transit vehicle location. The location information is collected via a data communication link between the transit vehicles and the transit center. The location information is presented to the transit operator on a digitized map of the transit service area. The location data may be used to determine real time schedule adherence and update the transit system’s schedule in real-time. The real-time schedule information is provided to Information Service Providers and the Transit Center Information Services equipment package, which furnish the information to travelers.
Local Cities and Municipalities Local Dial-A-Ride Transit Vehicles On-board Transit Trip Monitoring This on-board equipment package tracks vehicle location, monitors fuel usage, collects operational status (doors opened/closed, running times, etc.) and sends the collected, time stamped data to the Transit Management Subsystem.

Stakeholder	Element Name	Functional Area/Role	Functional Area Description
City of Phoenix	Phoenix Dial-A-Ride Transit Dispatch	Transit Center Vehicle Tracking	This equipment package monitors transit vehicle location. The location information is collected via a data communication link between the transit vehicles and the transit center. The location information is presented to the transit operator on a digitized map of the transit service area. The location data may be used to determine real time schedule adherence and update the transit system’s schedule in real-time. The real-time schedule information is provided to Information Service Providers and the Transit Center Information Services equipment package, which furnish the information to travelers.
City of Phoenix	Phoenix Dial-A-Ride Transit Vehicles	On-board Transit Trip Monitoring	This on-board equipment package tracks vehicle location, monitors fuel usage, collects operational status (doors opened/closed, running times, etc.) and sends the collected, time stamped data to the Transit Management Subsystem.
East Valley Senior Services	East Valley Dial-A-Ride Transit Dispatch	Transit Center Vehicle Tracking	This equipment package monitors transit vehicle location. The location information is collected via a data communication link between the transit vehicles and the transit center. The location information is presented to the transit operator on a digitized map of the transit service area. The location data may be used to determine real time schedule adherence and update the transit system’s schedule in real-time. The real-time schedule information is provided to Information Service Providers and the Transit Center Information Services equipment package, which furnish the information to travelers.
East Valley Senior Services	East Valley Dial-A-Ride Transit Vehicles	On-board Transit Trip Monitoring	This on-board equipment package tracks vehicle location, monitors fuel usage, collects operational status (doors opened/closed, running times, etc.) and sends the collected, time stamped data to the Transit Management Subsystem.
Local Cities and Municipalities	Local Dial-A-Ride Transit Dispatches	Transit Center Vehicle Tracking	This equipment package monitors transit vehicle location. The location information is collected via a data communication link between the transit vehicles and the transit center. The location information is presented to the transit operator on a digitized map of the transit service area. The location data may be used to determine real time schedule adherence and update the transit system’s schedule in real-time. The real-time schedule information is provided to Information Service Providers and the Transit Center Information Services equipment package, which furnish the information to travelers.
Local Cities and Municipalities	Local Dial-A-Ride Transit Vehicles	On-board Transit Trip Monitoring	This on-board equipment package tracks vehicle location, monitors fuel usage, collects operational status (doors opened/closed, running times, etc.) and sends the collected, time stamped data to the Transit Management Subsystem.

List of Flows on this Diagram
Click on Architecture Flow to go to Page with Applicable ITS Standards.

Source Element Architecture Flow Destination Element

Local Dial-A-Ride Transit Vehicles transit vehicle schedule performance Local Dial-A-Ride Transit Dispatches

Local Dial-A-Ride Transit Vehicles transit vehicle location data Local Dial-A-Ride Transit Dispatches

East Valley Dial-A-Ride Transit Vehicles transit vehicle schedule performance East Valley Dial-A-Ride Transit Dispatch

East Valley Dial-A-Ride Transit Vehicles transit vehicle location data East Valley Dial-A-Ride Transit Dispatch

Phoenix Dial-A-Ride Transit Vehicles transit vehicle schedule performance Phoenix Dial-A-Ride Transit Dispatch

Phoenix Dial-A-Ride Transit Vehicles transit vehicle location data Phoenix Dial-A-Ride Transit Dispatch

Last updated: 06-24-13