深圳轨道交通九号线西起南山区的东部深圳湾，经过福田区的北部，止于罗湖文锦路，是特区内联系主要居住区和工业区、以现状覆盖为主、支持和引导城市建设及用地改造为辅、缓解中心区交通压力的局域线。

线路全长约25.25km,设站22座，其中换乘站10座，设侨城东车辆段和笔架山停车场。我院负责本线路的前期硏究及勘察设计总承包。

Shenzhen Rail Transit No.9 Line starts from the East Shenzhen Bay of Nanshan District in north and ends on Wenjin Road of Luohu via the north of Futian District. It is a local line with focus on linking major residential areas and industrial areas, and current coverage, supplemented by supporting and guiding urban construction and land transformation and alleviating the traffic pressure of central area.

The whole length of the line is about 25.25km. There are 22 stations, including 10 transfer stations. It includes East Qiaocheng rail yard and Bijiashan parking area. Our institute is responsible for the preliminary study and general contracting of survey and design for this line.