Beijing Subway
Lines in operation
Table:
Line

Terminals
(District)

Opened
[26]

Newest
Ext.

Length
km

Stations
(# above ground)

Transfers

Operator

01 1

Pingguoyuan
(Shijingshan)

Sihui East
(Chaoyang)

1969

1999

30.4

23 (2)

2 4 5 9 10 14 (E) Batong

File:Beijing Subway icon.svg

02 2
loop line

Xizhimen
(Xicheng)

Jishuitan
(Xicheng)

1971

1987

23.1

18

1 4 5 6 8 (N) 13 Capital Airport

File:Beijing Subway icon.svg

04 4
[b]

Anheqiao North
(Haidian)

Gongyixiqiao
(Fengtai)

2009

2010[b]

28.2

24 (1)

1 2 6 7 9 10 13 14 (E) 16 Daxing [b]

05 5

Tiantongyuan North
(Changping)

Songjiazhuang
(Fengtai)

2007

—

27.6

23 (7)

1 2 6 7 10 13 14 (E) 15 Yizhuang

File:Beijing Subway icon.svg

06 6

Jin'anqiao
(Shijingshan)

Lucheng
(Tongzhou)

2012

2018

53.4[27]

32[a]

2 4 5 8 (N) 9 10 14 (E) S1

File:Beijing Subway icon.svg

07 7

Beijing West Railway Station
(Fengtai)

Jiaohuachang
(Chaoyang)

2014

2018

23.7

20[a]

4 5 8 (S) 9 14 (E)

File:Beijing Subway icon.svg

08 8 [g]
North

Zhuxinzhuang
(Changping)

National Art Museum
(Dongcheng)

2008

2018

28

19 (1)

2 6 10 13 15 Changping

File:Beijing Subway icon.svg

08 8 [g]
South

Zhushikou
(Dongcheng/Xicheng)

Yinghai
(Daxing)

2018

—

16.4[h]

12 (2)[a]

7 14 (E)

File:Beijing Subway icon.svg

09 9

National Library
(Haidian)

Guogongzhuang
(Fengtai)

2011

2012

16.5

13

1 4 6 7 10 14 (W) Fangshan

File:Beijing Subway icon.svg

10 10
loop line

Bagou
(Haidian)

Chedaogou
(Haidian)

2008

2013

57.1

45

1 4 5 6 8 (N) 9 13 14 (W)/(E) Yizhuang Xijiao Capital Airport

File:Beijing Subway icon.svg

13 13

Xizhimen
(Xicheng)

Dongzhimen
(Dongcheng)

2002

2003

40.9

16 (15)

2 4 5 8 (N) 10 15 Changping Capital Airport

File:Beijing Subway icon.svg

14 14 [f]
West

Zhangguozhuang
(Fengtai)

Xiju
(Fengtai)

2013

2014

12.4

07 (2)

9 10

14 14 [f]
East

Beijing South Railway Station
(Fengtai)

Shangezhuang
(Chaoyang)

2014

2017

28.6

21[a]

1 4 5 6 7 8 (S) 10 15

15 15

Qinghuadongluxikou
(Haidian)

Fengbo
(Shunyi)

2010

2014

41.4

20 (4)

5 8 (N) 13 14 (E)

File:Beijing Subway icon.svg

16 16

Bei'anhe
(Haidian)

Xiyuan
(Haidian)

2016

2017

19.6

10

4

Batong

Sihui
(Chaoyang)

Tuqiao
(Tongzhou)

2003

—

18.9

13 (13)

1

File:Beijing Subway icon.svg

Changping

Changping Xishankou
(Changping)

Xi'erqi
(Haidian)

2010

2015

32.0

12 (6)

8 (N) 13

File:Beijing Subway icon.svg

Daxing
[b]

Gongyixiqiao
(Fengtai)

Tiangongyuan
(Daxing)

2010

—

21.7

11 (1)

4 [b]

Fangshan

Guogongzhuang
(Fengtai)

Yancun East
(Fangshan)

2010

2017

27

12 (10)

9 Yanfang

File:Beijing Subway icon.svg

Yanfang

Yancun East
(Fangshan)

Yanshan
(Fangshan)

2017

—

14.4

9 (9)

Fangshan

Yizhuang

Songjiazhuang
(Fengtai)

Yizhuang Railway Station
(Tongzhou)

2010

2018

23.3

14 (8)

5 10

File:Beijing Subway icon.svg

S1
Maglev

Jin'anqiao
(Shijingshan)

Shichang
(Mentougou)

2017

—

9.1[28]

7 (7)

6

File:Beijing Subway icon.svg

Capital Airport

Dongzhimen
(Dongcheng)

Terminal 2 (Chaoyang)
Terminal 3 (Shunyi)

2008

—

28.1

04 (1)

2 10 13

Xijiao
LRT

Bagou
(Haidian)

Fragrant Hills
(Haidian)

2017

—

8.8

6 (6)

10

Total

636.8[29]

391 (95)

Taking into account the table that covers 'Beijing Subway' — "Lines in operation" section, create one factual sentence about the highlighted cells, without adding extra data and return it as JSON: {"answer": "YOUR ANSWER"}.