High Level Function 4.5 Provide PT Fare Facilities
 Diagram   Definition   
DFD 4.5 Provide PT Fare Facilities

DFD 4.5 Provide PT Fare Facilities

This is a DFD diagram which provides a description of the function in the ITS environment

Overview

This High-level Function shall provide facilities that enable fares to be collected for the use of Public Transport services.  Fares are only collected using a "fare card" for which payment is collected via the Financial Clearinghouse.  The use of cash (coins/notes) for fare payment is not supported by the functionality.

Public Transport Passengers can top up their "fare cards" as and when they wish and with as much credit as they wish.  Every time the "fare card" is used, the amount of credit that it contains is reduced by the cost for the use of the Public Transport service.  The Public Transport Vehicle Driver is provided with in indication of whether or not the "fare card" transaction was successful or not.

Diagrams

The Diagram(s) is(are) the Diagram(s) where you can find the function
  • The first diagram, if exists, is a DFD diagram which provides the context of the function
  • The second Diagram, if exists, is a Functional Tree which provides a hierarchical description of the function into subfunctions
  • DFD 4 Manage Public Transport Operations
  • Functional Tree of Area 4
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    Parent

    Component lower level functions

    Input logical dataflows

    Output logical dataflows

    User needs

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    Description