This paper introduced the underground space level of city road, analyzed and researched the underground commercial building design features of city road, and combining with the actual project summarized the technology key points of architecture major design, put forward corre-sponding solving methods and techniques.%介绍了城市道路地下的空间层次，对城市道路的地下商业建筑设计特点进行了分析研究，并结合实际工程有针对性地总结了建筑专业设计时的技术要点，提出了相应的解决方法和技术手段。
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