# Concepts - [Line 12 (Shanghai Metro)](/en/concepts/shanghai-metro-line-12.html)：Line 12 (Shanghai Metro) is a metro line, opened on 29 December 2013, 40.417 km long, with 32 stations. - [Line 13 (Shanghai Metro)](/en/concepts/shanghai-metro-line-13.html)：Line 13 (Shanghai Metro) is a metro line, opened on 20 April 2010, 38.83 km long, with 31 stations. - [Line 14 (Shanghai Metro)](/en/concepts/shanghai-metro-line-14.html)：Line 14 (Shanghai Metro) is a metro line, opened on 30 December 2021, 38.514 km long, with 30 stations. - [Line 15 (Shanghai Metro)](/en/concepts/shanghai-metro-line-15.html)：Line 15 (Shanghai Metro) is a metro line, opened on 23 January 2021, 42.3 km long, with 30 stations. - [Line 16 (Shanghai Metro)](/en/concepts/shanghai-metro-line-16.html)：Line 16 (Shanghai Metro) is a metro line, opened on 29 December 2013, 58.962 km long, with 13 stations. - [Line 17 (Shanghai Metro)](/en/concepts/shanghai-metro-line-17.html)：Line 17 (Shanghai Metro) is a metro line, opened on 30 December 2017, 41.636 km long, with 14 stations. - [Line 18 (Shanghai Metro)](/en/concepts/shanghai-metro-line-18.html)：Line 18 (Shanghai Metro) is a metro line, opened on 26 December 2020, 44.815 km long, with 31 stations. - [Line 2 (Shanghai Metro)](/en/concepts/shanghai-metro-line-2.html)：Line 2 (Shanghai Metro) is a metro line, opened on 20 September 1999, 62.2 km long, with 31 stations. - [Line 3 (Shanghai Metro)](/en/concepts/shanghai-metro-line-3.html)：Line 3 (Shanghai Metro) is a metro line, opened on 26 December 2000, 40.34 km long, with 29 stations. - [Line 4 (Shanghai Metro)](/en/concepts/shanghai-metro-line-4.html)：Line 4 (Shanghai Metro) is a loop metro line, opened on 31 December 2005, 22.032 km long, with 17 stations. - [Line 5 (Shanghai Metro)](/en/concepts/shanghai-metro-line-5.html)：Line 5 (Shanghai Metro) is a metro line, opened on 25 November 2003, 37.376 km long, with 19 stations. - [Line 6 (Shanghai Metro)](/en/concepts/shanghai-metro-line-6.html)：Line 6 (Shanghai Metro) is a metro line, opened on 29 December 2007, 33.09 km long, with 28 stations. - [Line 7 (Shanghai Metro)](/en/concepts/shanghai-metro-line-7.html)：Line 7 (Shanghai Metro) is a metro line, opened on 5 December 2009, 44.366 km long, with 33 stations. - [Line 8 (Shanghai Metro)](/en/concepts/shanghai-metro-line-8.html)：Line 8 (Shanghai Metro) is a metro line, opened on 29 December 2007, 37.5 km long, with 30 stations. - [Line 9 (Shanghai Metro)](/en/concepts/shanghai-metro-line-9.html)：Line 9 (Shanghai Metro) is a metro line, opened on 29 December 2007, 64.4 km long, with 35 stations. - [Pujiang Line](/en/concepts/shanghai-metro-line-guidaojiaotongpujiangxian.html)：Pujiang Line is a metro line, opened on 31 March 2018, 6.646 km long, with 6 stations. - [Line 1 (Shenyang Metro)](/en/concepts/shenyang-metro-line-1.html)：Line 1 (Shenyang Metro) is a metro line, opened on 27 September 2010, 43.8 km long, with 32 stations. - [Line 10 (Shenyang Metro)](/en/concepts/shenyang-metro-line-10.html)：Line 10 (Shenyang Metro) is a metro line, opened on 29 April 2020, with 21 stations. - [Line 2 (Shenyang Metro)](/en/concepts/shenyang-metro-line-2.html)：Line 2 (Shenyang Metro) is a metro line, opened on 30 December 2011, with 33 stations. - [Line 3 (Shenyang Metro)](/en/concepts/shenyang-metro-line-3.html)：Line 3 (Shenyang Metro) is a metro line, opened on 30 December 2024, 41.27 km long, with 27 stations. - [Line 4 (Shenyang Metro)](/en/concepts/shenyang-metro-line-4.html)：Line 4 (Shenyang Metro) is a metro line, opened on 29 September 2023, 34.112 km long, with 23 stations. - [Line 9 (Shenyang Metro)](/en/concepts/shenyang-metro-line-9.html)：Line 9 (Shenyang Metro) is a metro line, opened on 25 May 2019, 28.996 km long, with 23 stations. - [Line 13 (Shenzhen Metro)](/en/concepts/shenzhen-metro-line-13.html)：Line 13 (Shenzhen Metro) is a metro line, opened on 28 December 2024, with 26 stations. - [Line 4 (Shenzhen Metro)](/en/concepts/shenzhen-metro-line-4.html)：Line 4 (Shenzhen Metro) is a metro line, opened on 28 December 2004, with 23 stations. - [Line 1 (Shijiazhuang Metro)](/en/concepts/shijiazhuang-metro-line-1.html)：Line 1 (Shijiazhuang Metro) is a metro line, opened on 26 June 2017, 34.3 km long, with 26 stations. - [Line 2 (Shijiazhuang Metro)](/en/concepts/shijiazhuang-metro-line-2.html)：Line 2 (Shijiazhuang Metro) is a metro line, opened on 26 August 2020, 15.5 km long, with 15 stations. - [Line 3 (Shijiazhuang Metro)](/en/concepts/shijiazhuang-metro-line-3.html)：Line 3 (Shijiazhuang Metro) is a metro line, opened on 26 June 2017, 26.7 km long, with 22 stations. - [Line 11 (Suzhou Metro)](/en/concepts/suzhou-metro-line-11.html)：Line 11 (Suzhou Metro) is a metro line, opened on 24 June 2023, 41.27 km long, with 27 stations. - [Line 8 (Suzhou Metro)](/en/concepts/suzhou-metro-line-8.html)：Line 8 (Suzhou Metro) is a metro line, opened on 10 September 2024, with 29 stations. - [太原地铁1号线](/en/concepts/taiyuan-metro-line-1.html)：太原地铁1号线一期连接河龙湾与武宿1号2号航站楼，于2025年2月22日开通初期运营。 - [Line 2 (Taiyuan Metro)](/en/concepts/taiyuan-metro-line-2.html)：Line 2 (Taiyuan Metro) is a metro line, opened on 26 December 2020, 23.647 km long, with 23 stations. - [天津市域铁路津静线](/en/concepts/tianjin-jinjing-line.html)：津静线是天津中心城区与静海区间的市域铁路，首开段于2024年9月28日与地铁5号线贯通运营。 - [Line 1 (Tianjin Metro)](/en/concepts/tianjin-metro-line-1.html)：Line 1 (Tianjin Metro) is a metro line, opened on 28 December 1984, 42.227 km long, with 29 stations. - [Line 10 (Tianjin Metro)](/en/concepts/tianjin-metro-line-10.html)：Line 10 (Tianjin Metro) is a metro line, opened on 18 November 2022, 21.18 km long, with 21 stations. - [Line 11 (Tianjin Metro)](/en/concepts/tianjin-metro-line-11.html)：Line 11 (Tianjin Metro) is a metro line, opened on 28 December 2023, 22.6 km long, with 21 stations. - [Line 2 (Tianjin Metro)](/en/concepts/tianjin-metro-line-2.html)：Line 2 (Tianjin Metro) is a metro line, opened on 1 July 2012, 27.157 km long, with 20 stations. - [Line 3 (Tianjin Metro)](/en/concepts/tianjin-metro-line-3.html)：Line 3 (Tianjin Metro) is a metro line, opened on 1 October 2012, 34 km long, with 26 stations. - [Line 5 (Tianjin Metro)](/en/concepts/tianjin-metro-line-5.html)：Line 5 (Tianjin Metro) is a metro line, opened on 22 October 2018, 34.8 km long, with 29 stations. - [Line 6 (Tianjin Metro)](/en/concepts/tianjin-metro-line-6.html)：Line 6 (Tianjin Metro) is a metro line, opened on 6 August 2016, 43.6 km long, with 40 stations. - [天津地铁7号线](/en/concepts/tianjin-metro-line-7.html)：天津地铁7号线南段连接赛达路与鼓楼，2025年9月28日开通初期运营，设15座车站。 - [Line 9 (Tianjin Metro)](/en/concepts/tianjin-metro-line-9.html)：Line 9 (Tianjin Metro) is a metro line, opened on 30 September 2003, 52.759 km long, with 21 stations. - [天津轨道交通Z4线](/en/concepts/tianjin-metro-line-z4.html)：天津轨道交通Z4线一期北段连接寨上站与北塘站，于2026年1月18日开通运营。 - [乌鲁木齐机场捷运系统](/en/concepts/urumqi-airport-rail.html)：乌鲁木齐机场捷运系统连接地铁1号线国际机场站和机场北航站区。 - [Wireless bridge](/en/concepts/wireless-bridge.html)：A wireless bridge connects network locations over a wireless link, extending an existing network where cabling is impractical. - [武汉轨道交通12号线](/en/concepts/wuhan-metro-line-12.html)：武汉轨道交通12号线一期于2026年5月1日开通初期运营，连接钢都花园与墨水湖公园。 - [Line 1 (Wuhu Rail Transit)](/en/concepts/wuhu-metro-line-1.html)：Line 1 (Wuhu Rail Transit) is a metro line, opened on 3 November 2021, 30.517 km long, with 25 stations. - [Line 2 (Wuhu Rail Transit)](/en/concepts/wuhu-metro-line-2.html)：Line 2 (Wuhu Rail Transit) is a metro line, opened on 28 December 2021, 15.79 km long, with 11 stations. - [Line 1 (Wuxi Metro)](/en/concepts/wuxi-metro-line-1.html)：Line 1 (Wuxi Metro) is a metro line, opened on 1 July 2014, with 27 stations. - [Line 3 (Wuxi Metro)](/en/concepts/wuxi-metro-line-3.html)：Line 3 (Wuxi Metro) is a metro line, 28.5 km long, with 21 stations. - [Line 4 (Wuxi Metro)](/en/concepts/wuxi-metro-line-4.html)：Line 4 (Wuxi Metro) is a metro line, opened on 17 December 2021, 25.4 km long, with 18 stations. 第 10 / 11 页，共 535 条。 [上一页](/en/concepts-9.md?type=concept) [下一页](/en/concepts-11.md?type=concept)