Overview

This Function shall be capable of providing the following facilities:

(1) A HMI through which the Travel Information Operator can monitor the provision of information to Travellers.
(2) The HMI shall enable the Operator to update the information, amend the criteria used to filter the information that is to be provided, to obtain a copy of the current information and to direct that some of the information be directly output to Travellers.

Functional Requirements

(a) continuously monitor for the receipt of any of the input data flows from the operator
(b) when any of the data flows in (a) is received, determine its contents and send the appropriate data flow to either the Produce Travel Information or Manage Travel Information Data Store functions
(c) if either of the two data flows is received from the Produce Travel Information or Manage Travel Information Data Store functions, output the data they contain to the operator using the appropriate output data flow.

Diagrams

Parent Higher Level Function

• 6.6 Provide Traveller Information

Input logical dataflows

• fo.tio-current_travel_information_request
• fo.tio-output_travel_information_request
• fo.tio-travel_information_filter_request
• fo.tio-travel_information_filter_updates
• ptja_requested_current_travel_information
• ptja_requested_travel_information_filters

Output logical dataflows

• ptja_output_travel_information
• ptja_request_current_travel_information
• ptja_request_travel_information_filters
• ptja_updated_travel_information_filters
• ptja_update_other_travel_data
• to.tio-current_travel_information
• to.tio-travel_information_filters

User needs