High Level Function 3.1.1.5 Provide Urban Traffic Management Facilities
 Diagram   Definition   
DFD 3.1.1.5 Provide Urban Traffic Management Faciliti

DFD 3.1.1.5 Provide Urban Traffic Management Faciliti

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

Overview

This High-level Function shall provide the facilities needed control traffic using the urban road network.  It shall be possible for the traffic to be controlled using indications that may be commands to stop and go, or messages asking that certain other actions are taken, e.g. divert to alternative route.  Thus the output of the commands shall be possible through devices providing single or multiple indications, and/or text messages.  The Function shall include facilities that enable priority to be given to selected road users both at individual points and on routes through the road network.  The operation of output Functions shall be monitored and incorrect responses reported.

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 3.1.1 Provide Urban Traffic Management
  • Functional tree 3.1
    		•

    Parent

    Component lower level functions

    About half of the Data Flows between the Functions enable them to exchange data with each other. The remainder enable the Functions to exchange data with other parts of the Manage Traffic Area, with other Areas and with terminators. The Functions and Data Flows are contained in the DFD for Function 3.1.1.5 - DFD 3.1.1.5.

    Input logical dataflows

    Output logical dataflows

    User needs

    Number

    Description