page_title: Chengdu Metro
section_title: Line 1
hierarchical_section_title: Chengdu Metro / Operating network / Line 1
caption_attribution_description: 中文（中国大陆）‎: 成都地铁10号线双流机场1航站楼站闸机 English: Turnstile in Terminal 1 of Shuangliu International Airport Station, Line10, Chengdu Metro
context_page_description: Chengdu Metro is the rapid transit system of Chengdu, the capital of Sichuan, China. The system consists of 7 subway lines and 1 light rail line. Line 1 was opened on 27 September 2010, making it the first heavy-rail metro line in southwest China. Line 2 began operation in September 2012. Line 4 opened to public at the end of December 2015, while Line 3 opened in July 2016. Metro lines are operated by Chengdu Rail Transit Group Company Limited.
  There are currently 389 km of subway lines under construction in Chengdu in 2020. There will be 13 subway lines of totaling 521 km and expected to serve over 8 million trips per day.
context_section_description: The first phase of Line 1 cost 7 billion yuan to construct. A natural ventilation system has been used in the underground section of Line 1 on the subway system from Southern Third Ring Road to Jingcheng Plaza Station. Square ventilation units are built every 30m along the subway top to allow fresh air from the ground enter the construction site underground. The method is used in subway construction in other countries as it cuts the construction cost and it saves energy. The subway system is the first in China to adopt such a ventilation system during construction. Chengdu Metro is planning to set up a section for subway fire control and introduce the latest fire fighting technologies and vehicles. Line 1's color is dark blue.
caption: Shuangliu Airport 1 Terminal Station faregates
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