プローブデータを用いた交通安全評価に関する研究

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32表 21 抽出率を用いて判定した危険箇所の検出率と的中率（死亡重傷事故） （実事故発生メッシュ数＝570） 特異挙動の判定該当メッシュ数実事故一致数検出率的中率加速側0.005%2,79130253.0%10.8%加速側0.010%3,58433057.9%9.2%加速側0.020%4,52336764.4%8.1%加速側0.030%5,13338467.4%7.5%加速側0.050%5,95839970.0%6.7%加速側0.100%7,40243676.5%5.9%減速側0.100%8,97245880.4%5.1%減速側0.050%7,59743876.8%5.8%減速側0.030%6,51041272.3%6.3%減速側0.020%5,60039268.8%7.0%減速側0.010%4,24634059.6%8.0%減速側0.005%3,07528149.3%9.1% 表 22 抽出率を用いて判定した危険箇所の検出率と的中率（追突事故） （実事故発生メッシュ数＝2,210） 特異挙動の判定該当メッシュ数実事故一致数検出率的中率加速側0.005%2,7911,34961.0%48.3%加速側0.010%3,5841,54069.7%43.0%加速側0.020%4,5231,68276.1%37.2%加速側0.030%5,1331,77680.4%34.6%加速側0.050%5,9581,85383.8%31.1%加速側0.100%7,4021,96989.1%26.6%減速側0.100%8,9722,05492.9%22.9%減速側0.050%7,5971,96989.1%25.9%減速側0.030%6,5101,88485.2%28.9%減速側0.020%5,6001,78480.7%31.9%減速側0.010%4,2461,54970.1%36.5%減速側0.005%3,0751,28358.1%41.7% 表 23 抽出率を用いて判定した危険箇所の検出率と的中率（出合頭事故） （実事故発生メッシュ数＝1,965） 特異挙動の判定該当メッシュ数実事故一致数検出率的中率加速側0.005%2,79192847.2%33.2%加速側0.010%3,5841,06454.1%29.7%加速側0.020%4,5231,21161.6%26.8%加速側0.030%5,1331,29065.6%25.1%加速側0.050%5,9581,37970.2%23.1%加速側0.100%7,4021,53077.9%20.7%減速側0.100%8,9721,63883.4%18.3%減速側0.050%7,5971,51777.2%20.0%減速側0.030%6,5101,40371.4%21.6%減速側0.020%5,6001,30666.5%23.3%減速側0.010%4,2461,08355.1%25.5%減速側0.005%3,07587144.3%28.3%