城市环线快速路主辅道出入口布局探讨

Discussion on the Entrance and Exit Layout of Main and Auxiliary Roads of Urban Ring Expressway

城市环线快速路在城市路网中发挥重要作用,主辅道出入口的合理布局是平衡快速路通过性与到达性交通的重要抓手,同时又是影响城市环路与城市路网衔接关系的重要因素。本文首先分析城市环线快速路特征,然后提出环线快速路主辅道出入口布局的思路与方法,最后以成都市三环路扩能改造工程为案例,对三环路主辅道出入口改造方案提出优化建议。

The urban ring expressway plays an important role in the urban road network.The reasonable layout of the entrances and exits of the main and auxiliary roads is an important starting point to balance the traffic of the expressway passability and the reachability,and it also the important factor that affects the connection between the urban ring road and the urban road network.This paper firstly analyzes the characteristics of the urban ring road expressway,then proposes the ideas and methods for the layout of the main and auxiliary roads of the ring expressway,and finally takes the 3rd ring road expansion project in Chengdu as a case to propose an optimization plan for the entrance and exit of the 3rd ring road.