历史文化街区的胡同宽度研究

文化和历史的保护无疑是规划永恒的主题。但是，当汽车和现代文明走进历史文化街区时，文化与历史便成为了最直接的牺牲品。一个实际的问题是道路改造究竟需要多宽才能适应现代交通的需求？结合北京旧城典型地区胡同系统利用规划研究，对胡同与建筑空间尺度、交通方式、市政管线的关系和特征进行分析，提出胡同宽度的一些基本设计理念，为历史文化街区的街道和胡同规划设计提供一定的参考。

Study on the Width of the Alleys and Lanes in the Historical and Cultural Blocks

There is no doubt that the protection of culture and history is the ageless theme of urban plan. However, when cars and modem civilizations entered the historical blocks, our culture and history became the immediate victims. A practical problem is the width that the grade of road requires to suit with the needs of modem traffic. Combining the planning study of alleys and lanes systems of typical zones in the old city of Beijing, this article analyzes the characteristics and relationship between alleys and lanes and architectural space, transport mode, municipal pipelines. It formulates a series of basic ideas how to choose width of alleys and lanes, and provides references for planning and design of alleys and lanes and street in the historical and cultural blocks.