Overview

This Function shall be capable of providing the following facilities:

(1) The ability to obtain data for use in the provision of information to Travellers that will be provided by the Traveller Information functionality.
(2) The ability to periodically pass to Traveller Information functionality the data that it has obtained from the store of Road Trip Planning Data and the store of PT Trip Planning Data, plus data about Points of Interest (POI) and Personal Services (PS) that it has been provided to it by the Plan Traveller Trip Function.

Functional Requirements

(a) continually obtain data about the current state of the road network from the store of Road Trip Planning Data
(b) continually obtain data about Public Transport services from the store of PT Trip Planning Data
(c) process the data received in (a) and (b) to produce the contents of the road and PT information data flows which should be output periodically.

Diagrams

Parent Higher Level Function

• 6.5.3 Trip Planning

Input logical dataflows

• ptja_PT_trip_data_for_travel_information
• ptja_road_data_for_travel_information

Output logical dataflows

• ptja_PT_information
• ptja_road_information

User needs