Abstract: Based on the functions and positioning of Bishan-Tongliang Line in the urban rail transit network of Chongqing, this paper analyzes the necessity of the application of FAO system from the perspectives of national policy, industry development, network planning, engineering construction and investment growth. The paper shows that FAO system, when applied to Bishan-Tongliang Line, will contribute to project implementation and operation management, and bring about obvious economic benefits and great social significance without a sharp increase in investment, therefore proving the necessity for the application of FAO system.

Key words: suburban railway, FAO, CBTC

摘要： 基于市郊铁路璧铜线在整个重庆轨道交通线网中的功能定位，从国家政策、行业发展、线网规划、工程建设、投资增幅等方面，分析采用FAO系统的必要性。认为璧铜线采用FAO系统，投资增幅不大，有助于工程实施和运营管理，经济效益明显，社会意义重大，必要性充足。

关键词: 市郊铁路, FAO, CBTC