北京京藏高速公路北辅路改扩建工程方案

Scheme of Beijing-Xizang Expressway North Auxiliary Road Reconstruction and Extension Project

随着经济的不断发展,由于交通量增长和市政配套需求等原因引起的道路改扩建工程越来越多。不同道路因其交通功能、改造需求及建设条件不同,设计方案千差万别。介绍了北京市京藏高速公路北辅路（西关环岛~南辛路）改扩建工程设计方案,有关经验可供相关专业人员参考。

With the continuous development of economy,there are more and more road reconstruction and extension projects because of traffic flow increment and municipal supporting demands.The different roads are constructed by the different design schemes owing to the different traffic functions,reconstruction demands and construction conditions.The article introduces the reconstruction and extension engineering design schemes of Beijing_ Xizang Expressway North Auxiliary Road(Xiguanhuan Island- Nanxin Road).The relative experience can be referenced for the similar projects.