城市中心区地下道路的规划设计模式

从城市中心区地下道路建设的动因入手，分析了城市中心区地下道路的分类及其规划设计方法，以及各类地下道路的适应性.结果表明：以完善路网结构、解决交通“瓶颈”问题和以分离过境交通为主要功能的地下道路适用于城市中心区的更新改造；而以改善核心区到发交通为主要功能的地下道路网络适用于规划建设中的城市中心区.

Planning and Design Mode of Underground Roads in City Centers

Based on the analysis of the reasons for construction of underground roads in city centers this paper discussed the classification,planning and design methods and developing adaptabilities of underground roads in city centers.The results show that the developing of the kinds of underground roads in city centers which are bulit to improve the roads network structure and to separate cross-border traffic is adapt to renovation of city centers while the developing of the kind of underground roads in city centers which is bulit to improve the arrival and departure traffic in core area is adapt to the city center which is under planning and constructing.