i 目次 1. 序論 .............................................................................................................................................................................. 1 1-1 研究背景及び目的 ....................................................................................................................................... 1 1-2 研究特徴 .......................................................................................................................................................... 1 1-3 研究内容 .......................................................................................................................................................... 2 1-4 報告書の構成................................................................................................................................................. 3 2. 研究動向の整理及び本研究の位置づけ ..................................................................................................... 4 2-1 交通事故マップの公表の最新動向 ....................................................................................................... 4 2-2 交通事故データのオープン化の最新動向 ......................................................................................... 6 2-3 文献整理の結果 .......................................................................................................................................... 10 2-4 本研究の位置づけ ..................................................................................................................................... 11 2-5 小括 .................................................................................................................................................................. 11 3. 交通事故オープンデータ活用の検討結果 ................................................................................................. 12 3-1 乗用車対貨物車衝突事故の空間的分布の把握 .......................................................................... 12 3-1-1 目的及び特徴 ..................................................................................................................................... 12 3-1-2 方法 ........................................................................................................................................................ 12 3-1-3 結果 ........................................................................................................................................................ 14 3-1-4 本節の小括 .......................................................................................................................................... 15 3-2 交通事故箇所を可視化するオンライン地図の構築 ...................................................................... 16 3-2-1 目的及び特徴 ..................................................................................................................................... 16 3-2-2 方法 ........................................................................................................................................................ 17 3-2-3 結果 ........................................................................................................................................................ 19 3-2-4 本節の小括 .......................................................................................................................................... 20 3-3 事故マップを作成するQGISツールの改良 ..................................................................................... 20 3-3-1 目的及び特徴 ..................................................................................................................................... 21 3-3-2 方法 ........................................................................................................................................................ 21 3-3-3 結果 ........................................................................................................................................................ 23 3-3-4 本節の小括 .......................................................................................................................................... 24 3-4 事故属性の組み合わせによる集計・分析ツールの構築 ............................................................ 24 3-4-1 目的及び特徴 ..................................................................................................................................... 24 3-4-2 方法 ........................................................................................................................................................ 25 3-4-3 結果 ........................................................................................................................................................ 27 3-4-4 本節の小括 .......................................................................................................................................... 29 4. 交通安全防犯課を対象としたヒアリング調査結果 .................................................................................. 30 5. おわりに .................................................................................................................................................................... 43 5-1 本研究による成果 ...................................................................................................................................... 43
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