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首页> 外文会议>ICCTP 2010;International conference of Chinese transportation professionals >Comparative Study of Channelization Designs for Intersection WideningTransition Zones
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Comparative Study of Channelization Designs for Intersection WideningTransition Zones

机译：交叉口拓宽渠道化设计的比较研究过渡区

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Due to the lack of detailed designs for the channelization at widened intersection approaches in Beijing, it is not unusual to encounter a through lane that changes to a left-turn lane without any transition in between. This paper first compares widened intersections in Beijing with America (Austin, TX) by analyzing traffic flow characteristics and actual vehicle tracking. The results show that this type of design more likely confuses drivers and causes unnecessary merging, which in turn deteriorates traffic operations and safety at the intersection. The typical form in Beijing and two design forms of Austin are evaluated using simulation. It is shown in simulation that both of the Austin designs perform better than the existing Beijing design in terms of measures of effectiveness (MOEs), such as delay and queue length. It is noted that intersection approach channelization and lane arrangement should be designed consistent with road condition.
机译：由于北京在加宽交叉路口时缺乏详细的通道化设计，遇到直通车道变为左转车道而在两者之间没有任何过渡的情况并不少见。本文首先通过分析交通流量特征和实际车辆跟踪来比较北京与美国（德克萨斯州奥斯汀）的加宽交叉口。结果表明，这种类型的设计更可能使驾驶员感到困惑，并导致不必要的合并，从而又恶化了十字路口的交通运营和安全性。通过仿真评估了北京的典型形式和两种奥斯汀的设计形式。仿真结果表明，就有效性（MOE）而言，例如延迟和队列长度，这两种奥斯汀设计的性能都优于现有的北京设计。需要注意的是，交叉路口通道的通道化和车道布置应设计成与道路状况一致。

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