甘肃张掖市省道 213 线城区段转变为城市道路工程方案设计

省道213线为张掖市西出城主要通道， 过境及旅游交通量大， 需通过线位优化、 断面扩容、 管线敷设， 使其转变为功能完善、 交通便利、 更好服务地区经济发展的城市道路。对该路段在路网交通中的地位、 道路现状及交通量等进行了分析，从技术标准、 断面布置、 新旧路基搭接、 下穿铁路箱涵等方面阐述了项目工程方案设计， 最后对省道等公路改造为城市道路要点进行了总结。

Scheme Design of Gansu Zhangye City Provincial Highway 213 Line Urban Section Transforming into Urban Road Project

Provincial Highway 213 Line is a main channel out of city in the west of Zhangye City. Its traffic volume of transit and tourism is large. It is required to optimize the line alignment, extend the section and lay the pipelines in order to make it transform into an urban road with the perfect function, convenient traffic and better service of regional economic development. The position, road status and traffic volume of this road section in the road network traffic are analyzed. The engineering scheme design of the project is expounded from the technical standards, section layout, new and old roadbed overlap, and passing through under railway box culvert. Finally, the essentials of reconstructing the provincial highways into urban roads are summarized.