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  • 學位論文

輕軌電車與一般車輛路口衝突風險分析之研究

The Study on the Risk of Light Rail Vehicle Operation in The Surface Intersection

指導教授 : 許添本

摘要


輕軌運輸系統在台灣正被廣泛地討論,特別是交通安全課題,因為輕軌可在道路上採平面路權佈設,且由於台灣交通環境特殊性及民眾的陌生,會與現有運行秩序產生干擾。本研究承續94年運研所「輕軌與公車捷運系統納管之研析」,深入探討輕軌與一般車輛之衝突情形及事故風險,以駕駛人觀點之風險分析為重點,利用不同條件下駕駛行為意願差異,了解在不同情境條件下風險的程度。   本研究內容有三大部分:第一部分為交通衝擊分析,利用國內道路肇事資料及國外輕軌經驗,統計其肇事原因及碰撞類型,分析並建立輕軌在各種佈設形式及行進方向下,與車流各種流向之衝突情形與碰撞形式;第二部份為風險分析,藉建立輕軌路口風險分析系統架構,利用一般民眾問卷,收集車輛駕駛行為意願,以一般化方法換算成風險機率,並考慮衝突形式與碰撞類型,以國外研究結果與國內肇事資料求得之肇事次數當量計算而得風險規模,而兩者乘積即為風險值;第三部份為風險管理,藉由分析不同條件組合而成之情境風險,並進行敏感度分析,提供輕軌引進台灣後道路與交通工程設置與規劃的參考;並利用風險評估三角形及經濟成本之概念,提出輕軌路口風險管理架構之芻議。   本研究發現,風險會因為交通量、電車車速及一般車輛車速之增加而升高,也會受到駕駛人對於道路環境的熟悉度、駕駛行為的限制程度等影響,而改變其行為意向;由此為降低風險,可加強道路及交通工程的規劃與設置以提高對於駕駛行為的限制程度,並加強執法取締、教育與宣導,同時落實風險管理策略。   本研究只針對中央佈設B型路權之四肢直交路口,考慮汽機車風險為主。且考慮問卷效果,僅使用傳統語意尺度問卷設計,建議而後研究可使用模糊語意尺度問卷取得更可靠之意願資料。另本研究並未考慮行人風險,建議未來亦可納入。

並列摘要


Light rail transit system (LRT) has broadly been discussing in Taiwan recently, for its low construction cost that is suitable for many medium size cities in Taiwan. However, light rail could use the road right-of-way (in other words, LRT may design in B or C pattern rights-of-way) and may leads to traffic conflicts with other existing vehicles at once about which citizens most concern. This study is followed by “The research of management system for LRT/BRT” of institute of transportation in 2005. This study merely takes surface installed light rail in rectangular four legs intersections into consideration and regardless of pedestrians. This study includes three major parts – Analysis of traffic conflicts, Analysis of risks, and the Risk management. The first part of this study simulated all possible conflicting situations under different condition-compositions with aspect to automobile drivers’ point of view by means of historical road traffic accident data in Taiwan and LRT accident experiences of other countries. Secondly, by constructing a risk-analysis system and surveying driver’s detail behavior tendencies by using general questionnaires to estimate the risk of each possible situation. The results show that the risk would rise in proportion to the relative speed between light rail vehicle and automobile. At the mean while, the familiarity to the traffic environment of drivers and the restriction levels to driving behavior would surely related with the risk. At last, this study offer some practical advices to traffic engineering design, installation and a primary sketchy of risk management system taking advantages of sensitive analysis under differing situation component.

參考文獻


TRB, TCRP Report17 –Integration of Light Rail Transit into City Streets, 1996
Light Rail Accident Involvement and Severity, Transportation Research Record 1521, Page 147-155
許添本等,輕軌與公車捷運系統納管之研析,運研所,2005
運研所,台灣地區引進輕軌運輸系統之可行性研究,民國87年6月
運研所,台灣地區引進輕軌運輸系統技術型式選擇之研究,民國87年12月

被引用紀錄


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沈芳瑜(2013)。自行車與機動車輛路口衝突風險分析〔碩士論文,國立臺灣大學〕。華藝線上圖書館。https://doi.org/10.6342/NTU.2013.03095
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