摘要
为解决分流影响区对道路通行能力的影响,以分析分流区的交通流特性和密度为出发点,根据HCM2000道路通行能力数据和服务水平数据来标定模型的参数,建立分流流量和减速段长度仿真模型探讨匝道分流影响区的交通流特性,以四车道和六车道为例分析匝道分流流量、减速段长度与分流影响区密度的关系,可为快速路分流区的交通规划和设计,以及交通组织和管理的改善提供理论基础。
In order to solve the effect of diverge influence areas on traffic capacity,this article begins with analysis of traffic flow characteristics and density of diverge areas.According to data of HCM2000 road capacity and service level data,the parameters of the model are calibrated.The shunt flow model and deceleration length simulation model are established to explore the traffic flow characteristics of ramp diverge influence areas.Taking four lanes and six lanes as the example,it analyzes the relationship between ramp shunt flow,deceleration segment length and density of diverge influence area,which can provide a theoretic base for planning and design of diverge area of expressway,and for improvement of traffic organization and management.
出处
《交通标准化》
2011年第22期108-111,共4页
Communications Standardization
基金
新疆维吾尔自治区科学技术厅计划项目(H101326001)
关键词
分流比
通行能力
交通仿真
快速路
split ratio
traffic capacity
traffic simulation
expressway
