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When Nanshen Floodgate is closed, how shall vehicle drivers heading downtown from Jiuzhuang change routes?

It is suggested that vehicles heading downtown from Yanjiu Road Section 2 change routes via Hongdao Bridge and Lixing Street in Sijhih, by way of Lixing Bridge and Alley 101 of Section 1 of Yanjiu Road and reach downtown via Zhongxiao East Road Section 7 or Nangang Road Section 1.