城市道路节点上跨/下穿车道规模分析与仿真

Analysis and Simulation of Overpass/Underpass Lane Scale on Node of Urban Road

设置主线上跨/下穿是缓解城市道路节点交通供需矛盾的一种常见手段。在对上跨/下穿车道规模主要影响因素进行分析的基础上,结合实际案例,限定道路用地条件,设定不同的主线上跨/下穿车道规模方案和交通需求条件,进行交通仿真,分析不同车道规模的交通适应性,提出相关建议,供相关从业者和决策者参考。

The setup of overpass/underpass of the main line is a common means to alleviate the contradiction between the traffic supply and demand of urban road nodes. The main influencing factors on the overpass / underpass lane scale are analyzed. Based on an actual case, the paper restricts the land condition of road, sets up the different overpass / underpass lane scale schemes of the main line and the traffic demands, carries out the traffic simulation to analyze the traffic adaptabilities of the different lane scales, and gives the relative advices for the relevant practitioners and decision makers.