Through analyzing and studying critical technology problems of cross section,interchange and system conversion of assembling & e-vacuation port highway during the 2nd period,the article puts forward some design concepts and countermeasures for realizing port-city separa-tion,which reduces port-city traffic contradictory and improves assembling & evacuation environment of new coastal area.%通过对集疏港公路二期中段的横断面、立交及系统的转换等关键技术问题进行透彻的分析和研究,为实现港城交通的分离提出了一些设计思路和对策,从一定程度上减少了港城交通的矛盾,改善了滨海新区的集疏运环境。
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