新型连续流交叉口设计及分析评估方法

来源 :2018年中国城市交通规划年会 | 被引量 : 0次 | 上传用户:hesehuzi
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特殊道路交通条件限制下,传统的交通改善方法对城市道路关键节点运行效率提升的瓶颈效应日益凸显.连续流交叉口(continuous-flow intersections,CFIs)作为一种非常规交叉口的设计与控制方法,对于高左转、直行流量诱发的拥堵具有较好的改善效果.然而目前缺少可靠、方便的设计及分析评估方法.连续流交叉口由一个主交叉口和若干次交叉口组成,现有的分析模型无法有效的反映CFI的交通延误及排队长度等指标.因此,本文提出一种基于通行能力分析和微观交通仿真技术的CFI评价指标分析评估方法.最后,以深圳市福华路-彩田路信号控制交叉口为例,对其进行了连续流交叉口渠化设计,并对其实施前后的排队长度、服务水平、QL比值等评价指标以及排队溢出位置进行了分析评估.设计及评估方法对CFI设计方案的优化以及实施效果分析评估提供了参考.
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