基于空间句法的郑州市地铁交通网络特征研究

Study on Subway Transportation Network of Zhengzhou City Based on Space Syntax

运用空间句法从道路等级、换乘次数、交通可达性和整体协调度四个方面对郑州市地铁规划线路进行定量研究.结果表明:郑州市地铁线路内部的道路等级、换乘次数、交通可达性、整体协调性相差较大;环状线路的道路等级高于非环状线路,市中心地区的线路等级高于市区外缘;市区西北部和东南部的地铁线路存在着换乘不便的问题;地铁线路在市中心地区的规划布局走向基本合理,部分线路承载的交通流量与线路的交通可达性、布局走向与整体协调性之间存在着明显的矛盾.

This paper used the space syntax to a quantitatively research the metro planning routes of Zhengzhou city from four respects： road grade, transfer times, traffic accessibility and overall coordination. Results show that, firstly, the differences of Zhengzhou city subway lines in the road grade, transfer times, traffic accessibility and overall coordination are large. Secondly, the level of ring line road is higher than that of the non-ring line, and the level of downtown area of line is higher than that of urban outer edge. Thirdly, there exists thransfer inconvenience in the northwest and southeast metro lines in Zhengzhou. At last, the planning layout of the subway line in the heart of the city is basically reasonable, however, there still exists a clear contradiction between the traffic flow of partial lines and their traffic accessibility, as well as between the layout direction and the overall coordination.