商丘市中州路、黄河路、建设路、睢阳路现状形成六叉路口,采用环岛、不设置信号灯组织交通,存在安全及严重的交织问题,需结合道路快速化进行立体化改造。借鉴六叉路口的案例及改造经验,对周边路网进行交通分析,结合交通流量预测,并保留现有及在建的主控建筑,提出了地面六叉改四叉、高架全互通的立交方案。 The present situation of Zhongzhou Road, Yellow River Road, Jianshe Road and Shenyang Road in Shangqiu City forms a six-way junction. The use of roundabout and no traffic lights to organize traffic presents problems of safety and serious intertwining. It is necessary to reconstruct the road quickly. By referring to the case of six-fork junction and its experience in reconstruction, traffic analysis is made on the surrounding road network. Based on traffic flow forecasting and the existing and under construction of main control building, the six-fork and four-fork interchange .