对在中心城区建设大型立交桥的质疑与对策

Doubt and Countermeasure on Building Large-scale Overpass in Center of City

针对当前某些城市在中心城区盲目建造大型立交桥的现象,从交通、环境、经济等方面对其存在的相关问题进行分析和讨论,认为立交规划应以系统分析为指导,不宜在中心城区规划建设大型立交桥.平面交叉口有很大潜力和适应性,科学合理地设计高级渠化灯控平交路口可以满足城市道路的一般交通需求,而且能够营造出景色宜人的城市道路景观,确实必要时,也只宜规划建设城市简单立体交叉.

<Abstrcat> To the phenomenon of building large-scale overpass blindly in center of some ci t ies at present, the relevant problems are analyzed from several respects,such as traffic,environment, economy,etc.The network analysis should be regarded as gui delines to plan overpass, and the large-scale overpass should not be built in c enter of city. There are very great potentiality and adaptability on the plane i ntersection. It can meet urban road general traffic demand and build out the view of urban road of the attractive scenery that design advanced channelize d signal control intersection scientifically and rationally. When being really e ssential, only simple overpass is planed to be built in the city.