To solve the problem that it is desired to provide a technique capable of measuring a vehicle speed in a simple configuration without the need to give information relating to a traffic flow state at a target spot from the outside while suppressing required cost.SOLUTION: Provided is a traffic state detection device comprising: a traffic volume calculation unit which acquires from a vehicle detection unit a detection result of a vehicle that travels at a predetermined position on a road, and calculates a traffic volume corresponding to the predetermined position; a statistic information analysis unit which determines whether a traffic flow state on the road is a congestion flow or a free flow on the basis of statistic information relating to vehicle traveling on the road and obtains a determination result of the traffic flow state; and a speed determination unit which determines a vehicle speed corresponding to the predetermined position on the basis of the determination result of the traffic flow state, the traffic volume corresponding to the predetermined position and a correspondence of a prepared traffic volume and the vehicle speed.SELECTED DRAWING: Figure 1

    【課題】必要なコストを抑えつつ、対象地点の交通流状態に関する情報が外部から与えられる必要なく、車両速度を簡易な構成で計測することを可能とする技術が提供されることが望まれる。【解決手段】道路上の所定位置を走行する車両の検出結果を車両検出部から取得し、前記車両の検出結果に基づいて、前記所定位置に対応する交通量を算出する交通量算出部と、道路上の車両走行に関する統計情報に基づいて、前記道路上の交通流状態が渋滞流であるか自由流であるかを判定して前記交通流状態の判定結果を得る統計情報解析部と、前記交通流状態の判定結果と、前記所定位置に対応する交通量と、あらかじめ用意された交通量と車両速度との対応関係とに基づいて、前記所定位置に対応する車両速度を判定する速度判定部と、を備える、交通状態検出装置が提供される。【選択図】図1


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    Title :

    TRAFFIC STATE DETECTION DEVICE, TRAFFIC STATE DETECTION METHOD AND PROGRAM


    Additional title:

    交通状態検出装置、交通状態検出方法およびプログラム


    Contributors:

    Publication date :

    2021-08-10


    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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