To prevent occurrence of congestion.SOLUTION: A congestion prevention server includes: a road conditions search unit for retrieving road conditions under at least one second condition similar to a specified first condition from a road conditions history database; a congestion conditions estimation unit for estimating a congestion occurrence point and a congestion occurrence factor in the first condition based on road conditions under the second condition; a vehicle travel information receiving unit for receiving travel information of each vehicle traveling under the first condition; a trigger vehicle extraction unit for extracting a trigger vehicle that can be a trigger for generating congestion from the congestion occurrence factor and the travel information; and a transmission unit for transmitting drive support information to the trigger vehicle as a notification signal.SELECTED DRAWING: Figure 2

    【課題】渋滞の発生を予防すること。【解決手段】渋滞予防サーバは、指定された第一条件に類似する少なくともひとつの第二条件における道路状況を道路状況履歴データベースから検索する道路状況検索部と、第二条件における道路状況に基づいて、第一条件における渋滞発生地点および渋滞発生要因を推測する渋滞状況推測部と、第一条件下で走行する各車両の走行情報を受信する車両走行情報受信部と、渋滞発生要因と、走行情報とから渋滞を発生させるトリガとなる可能性があるトリガ車両を抽出するトリガ車両抽出部と、トリガ車両に対して運転支援情報を報知信号として送信する送信部と、を備える。【選択図】図2


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    Title :

    CONGESTION PREVENTION SERVER, CONGESTION PREVENTION DEVICE, CONGESTION PREVENTION SYSTEM, CONGESTION PREVENTION METHOD, AND PROGRAM


    Additional title:

    渋滞予防サーバ、渋滞予防装置、渋滞予防システム、渋滞予防方法、およびプログラム


    Contributors:

    Publication date :

    2020-08-31


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS



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