目次はじめに第1章

総 論 ··································································· 1

1.1 研究の背景 ··································································· 1
1.2 研究の目的 ··································································· 11.3 研究の流れ ··································································· 1第2章

交差点照明の事故削減効果に関する検討 ····································· 32.1 交差点における夜間事故発生要因の調査·········································· 32.1.1 事故統計による要因分析 ··················································· 32.1.2 現地調査による要因分析 ··················································· 42.2 交差点照明の事故削減効果に関する検討········································· 162.2.1 明るさレベルと事故削減効果の関係について································· 16
2.2.2 分類条件ごとの交差点内平均照度と事故削減効果の関係について··············· 17
2.3 まとめ ······································································ 18第3章

交差点照明の必要照度及び照明配置に関する検討 ···························· 19

3.1 検討の概要 ·································································· 19
3.2 諸外国の基準・規格及び既往の研究に関する調査································· 193.2.1 必要照度 ································································ 193.2.2 照明配置 ································································ 233.3 視認性評価実験 ······························································ 243.3.1 実験方法 ································································ 243.3.2 光学測定結果 ···························································· 30
3.3.3 実験結果 ································································ 323.4 まとめ ······································································ 36
第4章

交差点照明の光源の違いに関する検討 ······································ 374.1 検討の概要 ·································································· 374.2 視認性評価実験 ······························································ 374.2.1 実験の目的 ······························································ 374.2.2 実験条件 ································································ 374.2.3 実験方法 ································································ 414.2.4 光学測定 ································································ 444.3 実験結果····································································· 464.3.1 視認性評価実験結果 ······················································ 46
4.3.2 光学測定結果 ···························································· 71
4.4 まとめ······································································· 77

第5章

交差点における沿道の光環境に関する調査 ·································· 79

5.1 調査の概要 ·································································· 795.1.1 調査の目的 ······························································ 79
5.1.2 調査箇所の選定 ·························································· 795.1.3 調査方法 ································································ 80
5.1.4 測定機材 ································································ 81
5.2 現地調査結果の整理 ·························································· 81
5.3 まとめ ······································································ 83
第6章

総括 ·································································· 87

6.1 研究成果のまとめ ···························································· 87
6.2 今後の課題 ·································································· 87
参考文献········································································ 90

参考資料········································································ 91

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