DFD 6.6 Provide Traveller Information

Overview

This High-level Function shall provide facilities that enable information to be provided to Travellers, either at the roadside, or by other means.  Information about traffic conditions shall be provided at the roadside, but other forms of information, e.g. about Points of Interest, shall be available to Travellers through other mechanisms, e.g. a nomadic device.

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 6. Provide Traveller Journey Assistance Functional Tree of Area 6

Parent

• 6. Provide Traveller Journey Assistance

Component lower level functions

6.6.1 Provide Traveller Information Interface

6.6.2 Produce Travel Information

6.6.3 Output Travel Information

6.6.4 Manage Travel Information Data Store

6.6.5 Provide Travel Information Operator Interface

Input logical dataflows

fesp.g-map_data_for_travel_information

flds-ptja_location_for_information

fo.tio-travel_information_inputs

ft-traveller_information_request

ptja_extra_data_for_travel_information

ptja_pos/pi_data_for_travel_information

ptja_PT_information

ptja_road_information

Output logical dataflows

to.tio_travel_information_outputs

tt-travel_information_messages

User needs