page_title: Beijing Subway
section_title: Lines in operation
hierarchical_section_title: Beijing Subway / Lines in operation
caption_attribution_description: English: Beijing Subway, English version
context_page_description: The Beijing Subway is the rapid transit system of Beijing Municipality that consists of 23 lines including 19 rapid transit lines, two airport rail links, one maglev line and one light rail line, and 405 stations. The rail network extends 699.3 km across 12 urban and suburban districts of Beijing and into one district of Langfang in neighboring Hebei province. By route length in operation, the Beijing Subway is the world's longest metro system. With 3.8484 billion trips delivered in 2018, an average of 10.544 million trips per day, the Beijing Subway is the world's busiest metro system. Single-day ridership set a record of 13.7538 million on July 12, 2019.
  The Beijing Subway opened in 1969 and is the oldest metro system in mainland China. Before the system underwent rapid expansion since 2002, the subway had only two lines. The existing network still cannot adequately meet the city's mass transit needs. Beijing Subway's extensive expansion plans call for 998.5 km of lines serving a projected 18.5 million trips every day by 2021. The most recent expansion came into effect on December 28, 2019, with the extensions of Line 7 and Batong line.
context_section_description: Beijing Subway lines generally follow the checkerboard layout of the city.  Most lines through the urban core (outlined by the Line 10 loop) run parallel or perpendicular to each other and intersect at right angles. As of August 2020, Lines 8 and 14 each operate in two separate sections.
caption: Schematic map of Beijing Subway lines in operation. (Not to scale)
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