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| Abstract |
出会い頭事故は環境要因が大きく影響するとされている。我々は、福岡市博多区にある 1,629 交差点の 環境要因と事故発生状況の関係を調査して十字路での直進交通による事故が多いことなどを明らかに した。本研究では、複数の環境要因の相互影響を調査することで事故原因を明らかにすることを試みた。 分析の結果、停止線の後退が信号機設置の有無に関わらず事故頻度が約 1.7 倍上昇させることが明らか になった。...また、カーブミラーの設置で見通しを改善することにより事故頻度を約 10%低減できること がわかり、見通し改善対策による事故抑制の可能性があることも明らかにした。
Crossing collision accidents are greatly influenced by environmental factors.We investigated the relationship between the environmental factors at the 1,629 intersection in Hakata-ku, Fukuoka City and the situation of the accident, and found that there were many accidents caused by straight traffic on the crossroads. In this study, we tried to clarify the cause of the accidents by investigating the mutual effects of multiple environmental factors. As a result of the analysis, it became clear that the reverse of the stop line increased the accident frequency by about 1.7 times regardless of the presence or absence of traffic lights.In addition, it was found that the frequency of accidents can be reduced by about 10% by improving the outlook by installing curved mirrors, and it was also revealed that there is a possibility of suppressing accidents by the outlook improvement measures.show more
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