Low Level Function
3.2.8 Send Incident Details to Others

Overview

This Function shall be capable of providing the following facilities:

(1) The ability to manage the output of instructions contained in an incident strategy to other functionality in the System in response to incidents that have been detected by other functionality.
(2) The ability for the instructions that that are sent out to require the output of information to other functionality such as that for Emergency Support, Public Transport Management and Traveller Assistance.
(3) The output of incident management strategies shall begin as soon as the strategy information is received.
(4) The ability to keep a local store of the strategies currently being implemented and delete them when their expiry time has passed, or when a strategy modification or removal indication arrives from the incident management functionality.

Functional Requirements

(a) continuously monitor for the receipt of the input data flow
(b) when the data flow is received in (a) check to see if it contains new information about an existing or new incident that does not indicate that the incident is now closed
(c) if the check in (b) is positive, put the data that it contains into the output data flows and send them to the appropriate functionality
(d) in addition to the requirement in (b), store the data locally
(e) if the check in (b) shows that a previous incident is now closed, repeat (c) and delete all data about the incident from the local store.

Diagrams

The Diagram(s) is (are) the diagram(s) where you can find the function :
  • DFD 3.2 Manage Incidents
  • Functional tree 3.2

    • Parent Higher Level Function

    Input logical dataflows

    Output logical dataflows

    User needs

    Number

    Description

    7.1.3.6
    The system shall be able to implement planned control strategies for planned events (e.g. sport, cultural, etc.).
    7.2.0.1
    The system shall detect and respond to various incidents on the road network.
    7.2.0.2
    The system shall not do anything to reduce road safety.
    7.2.0.3
    The system shall not do anything that might aggravate, or cause, an incident.
    7.2.0.4
    The system shall assist the emergency services to provide an effective response to road traffic incidents.
    7.2.2.3
    The system shall be able to provide information on each incident to TICs for onward transmission to travellers.
    7.2.2.4
    The system shall be able to provide information to travellers about the reason why a particular incident management strategy is being implemented.
    7.2.5.2
    The system shall be able to provide local warnings on dangerous sections of the road network.
    7.4.1.17
    (X)FCD - The system shall be able to communicate with another vehicle either directly, or via an road-side device. (Communications).
    7.4.1.31
    Traffic Condition Warning - The system shall be able to warn drivers in a timely manner of moving incidents (e.g. road/winter maintenance vehicles, long/wide loads) via an in-vehicle display.
    7.4.1.35
    Hazardous Location Notification - The system shall be able to warn drivers in a timely manner of incidents ahead (e.g. road works, accident, traffic queue) via an in-vehicle display.  Where available and relevant this information shall include lane(s)/road section(s) affected and expected delay.
    7.4.1.36
    Hazardous Location Notification - The system shall be able to warn the driver in a timely manner, via an in-vehicle display, of adverse road surfaces and weather conditions along the planned route.
    7.4.1.47
    Hazardous Location Notification - The system shall be able to send information about incidents on the road network ahead from the TCC to drivers via an in-vehicle device.
    7.4.1.48
    Hazardous Location Notification - The system shall provide "copies" of the traffic signs that are relevant to the current section of the road (e.g. speed limit, road hazards, junctions) to the driver at all times via an in-vehicle display.
    7.4.2.5
    The system shall provide "copies" of the traffic signs that are relevant to the current section of the road (e.g. speed limit, road hazards, junctions) to the driver at all times via an in-vehicle display.
    7.5.1.9
    The system shall be able to warn the driver, via an in-vehicle device, of incidents in the urban road network as they are detected.
    7.6.2.10
    The system shall enable the driver to (request and) receive, via an in-vehicle device, personalised on-trip information about incidents that may affect the planned journey.
    9.5.6.5
    The system shall enable the relevant authority to detect incidents within its area and to re-route any vehicle carrying hazardous goods that will be affected by the consequences of that incident.