G15 公路嘉金段改建总体方案设计

G15公路嘉金段是上海市干线公路网的重要组成部分，为匹配沿线区域发展需求及交通流量增长趋势，针对G15公路嘉金段进行改扩建研究。从项目背景、工程概况、功能定位、主要技术标准、总体方案等方面进行了分析，并对关键节点方案进行了详细描述。基于功能、经济、社会、环境、安全等多目标均衡的高速公路改扩建技术标准体系，形成了切实可行的改扩建总体方案。

Design of Overall Scheme for Reconstruction of Jiajin Section in G15 Highway

Jiajin Section in G15 Highway is an important part of arterial highway network in Shanghai. In order to match the regional development needs and traffic flow increase trend along the line, the study on the reconstruction and extension of Jiajin Section in G15 Highway is carried out. The project background, engineering overview, functional positioning, main technical standards, overall scheme and other aspects are analyzed, and the key node schemes are described in detail. Based on the multiple target of function, economy, environment and safety, the technical standard system of expressway reconstruction and extension is balanced to form the feasible overall scheme of reconstruction and extension.