浅谈互通式立交匝道路线设计

Discussion on Plan Design of Interchange Ramp

互通式立交是高等级道路解决交叉口拥挤、减少交通事故、控制车辆出入的重要措施。文中从平、纵面线形设计、匝道超高及端部设计等几个方面对互通设计要点进行分析,并结合湖北207国道荆门西互通立交工程实例进行论述。

Interchange is an important measure to resolve intersection congestion of high-grade roads,reduce traffic accidents,control vehicle entrance and exit.The key points of interoperable design are analyzed in this paper from the aspects of horizontal alignment design,vertical alignment design,ramp ultrak-high design,ramp end design and so on which were discussed combining with the Jingmenxi interchange engineering of the No.207 national highway in Hubei.