本文關鍵詞： 交叉口 交通沖突 渠化 信號配時 優(yōu)化　出處：《吉林大學》2015年碩士論文　論文類型：學位論文

【摘要】：近年來，機動車數(shù)量的不斷增長帶給道路運行的交通壓力越來越大。交叉路口是整個城市道路交通的瓶頸地帶，在城市交通中處于核心位置，往往制約整條道路乃至路網(wǎng)的服務水平。各種交通流體（包括機動車、非機動車和行人等）在平面交叉口處的不斷分流、合流和交叉，導致了各種交通沖突和事故的發(fā)生，從而使交通狀況愈加復雜，因此提高交叉口的通行效率便成為緩解交通擁堵和交通緊張的重要舉措，交叉口設置的合理與否對整個交通路網(wǎng)的暢通起著直接而關鍵的影響。從小的層面講，城市道路交叉口影響著人們的出行效率和出行體驗；從大的層面講，它關系到土地資源的合理利用、環(huán)境污染的改善乃至國民經(jīng)濟和社會經(jīng)濟效益的提高。因此對城市道路交叉口進行優(yōu)化改善、提高交叉口的通行能力是極其重要的。 本文在分析交叉口交通運行特性及交叉口沖突機理的基礎上，參考國內外眾多學者的研究成果，從沖突分析角度對城市道路平面信號交叉口渠化與配時兩方面進行較為全面的分析和研究，力求能夠優(yōu)化和改善城市道路交叉口交通擁堵問題，提高人們的出行效率，提升人們的出行品質。 論文從交通沖突的角度進行分析，構建了交通沖突度模型，，并劃分了交通沖突度等級。在信號交叉口渠化方面，論文歸納總結了交叉口渠化方法，包括左轉車道的設置、右轉車道的設置、非機動車與行人過街渠化設置及交通渠化島、導流線四個方面，并針對每種渠化方法進行沖突分析；在信號交叉口配時方面，論文選取信號周期、綠燈時間間隔、最短綠燈時間和有效綠燈時間進行優(yōu)化。最后論文結合具體實例進行研究，提出了相應的交叉口改善措施，并進行交通仿真評價。
[Abstract]:In recent years, the increasing number of motor vehicles has brought more and more traffic pressure on the road. Intersection is the bottleneck zone of the whole urban road traffic, and it is the core position in the urban traffic. It often restricts the service level of the whole road and even the road network. All kinds of traffic fluid (including motor vehicles, non-motor vehicles and pedestrians) are constantly diverting, converging and crossing at intersections. It leads to a variety of traffic conflicts and accidents, which makes the traffic situation more complex. Therefore, improving the traffic efficiency of intersection becomes an important measure to alleviate traffic congestion and traffic tension. Whether the intersections are reasonable or not has a direct and critical impact on the smooth flow of the whole traffic network. From a small level, urban road intersections affect people's travel efficiency and travel experience. From the large level, it is related to the rational use of land resources, the improvement of environmental pollution and even the improvement of national economy and social economic benefits. It is extremely important to improve the capacity of intersections. Based on the analysis of traffic characteristics and conflict mechanism of intersections, this paper refers to the research results of many scholars at home and abroad. In order to optimize and improve the traffic congestion problem of urban road intersections, the paper makes a comprehensive analysis and research on the channelization and timing of urban road signalized intersections from the perspective of conflict analysis. Improve people's travel efficiency, improve people's travel quality. From the point of view of traffic conflict, the paper constructs a traffic conflict degree model, and divides the traffic conflict degree grade. In the aspect of signalized intersection, the paper summarizes the method of traffic conflict degree. It includes the setting of left turning lane, the setting of right turning lane, the setting of non-motorized vehicle and pedestrian crossing the street, the traffic channelization island, the diversion line, and carries on the conflict analysis to each kind of channelization method; In the aspect of signal intersection timing, the paper selects signal cycle, green time interval, shortest green time and effective green time to optimize. The corresponding improvement measures are put forward and traffic simulation evaluation is carried out.
【學位授予單位】：吉林大學
【學位級別】：碩士
【學位授予年份】：2015
【分類號】：U491.23

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