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张家口市张石高速路二期工程平原区段及三条国省干线公路通车2007年11月6日,张家口市举行张石高速路张家口段二期工程化稍营至蔚县段平原区段,
Zhangjiakou Zhangshi Expressway Phase II Plain and three provinces and autonomous regions on the highway opened to traffic On November 6, 2007, Zhangjiakou City Zhangjiakou Zhangjiakou Section of the second phase of the project to Yingxian plain section,