根据交叉口内冲突交通流无通行优先级的特点，运用车队分析法，确定交织段的通行能力。
Because of no priority of traffic flow, the method of platoon analysis is used to calculate the capacity of weaving section of roundabout.
究其原因，一是私家车数量剧增，路面交通流量加大，交通交织点和冲突点增多，发生事故几率增大；
The reason is, first, the increasing number of private cars, road traffic increased, traffic interleaving point and the point of conflict increased risk of accidents increases;
在分析环行交通流运行特性基础上，提出了指导观测断面优化布设的原则和方法，用实例对各进口流向流量和交织段的观测和推算进行了应用说明。
Based on analysis of operation characteristics of rotary traffic flow, the principles and methods of the optimum arrangement of survey sections are presented in this paper.
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