文章还结合轨道交通换乘枢纽，提出了地下空间一体化概念和地下道路方案。

Combined with the rail traffic transferring hub, the article puts forward the integrated conception of the underground space and the scheme of underground roads.

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将常见的地下道路分为小汽车专用道路、混合通行道路和货车地下通道等三种形式，分析了地下道路及环境特征。

In this paper, the urban underground roads are divided into different types, such as car-only underground road, mixed-traffic underground road, and truck-only underground road.

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