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于1998年底建成的沪杭高速公路通车4年来,车流量以年平均15％的速度增长,目前日均全程流量已超过2.7万辆,是全国重交通条件下最繁忙的高速公路之一。因此,为适应交通需求和解决松江新城同高速公路的互通,于去年7月对松江立交进行改建,经11个月的建设,新建NE、WN两条总长760m的匝道高架桥梁结构已贯通,改建的ES、EN、SE、WS等4条总长620m的地面匝道也即将完成。这次改建工程是在保持高速公路正常通行的情况
Since the Shanghai-Hangzhou Expressway opened to traffic at the end of 1998, the traffic volume has been growing at an annual average rate of 15% over the four years since the opening of the Shanghai-Hangzhou Expressway. At present, the daily average traffic volume has exceeded 27,000 vehicles, making it one of the busiest expressways in China under heavy traffic conditions. Therefore, in order to meet the traffic demand and solve the inter-communication between Songjiang New City and the expressway, the Songjiang Interchange was reconstructed in July last year. After 11 months of construction, two newly built NE and WN ramp overhead viaducts with a total length of 760m have been completed and rebuilt The ES, EN, SE, WS and other four total length of 620m ground ramp is about to be completed. The reconstruction project is to maintain the normal passage of the highway