line currently under construction in Lanzhou, Gansu Line 2 (Luoyang Subway), a subway line in Luoyang, Henan Line 2 (Nanchang Metro), a metro line in Nanchang, Jiangxi Line 2 (Nanjing Metro), a metro line in Nanjing, Jiangsu Line 2 (Nanning Metro), a metro line in Nanning, Guangxi Line 2 (Ningbo Rail Transit), a metro line in Ningbo, Zhejiang Line 2 (Qingdao Metro), a metro line in Qingdao, Shandong Line 2 (Shanghai Metro), a metro line in Shanghai Line 2 (Shenyang Metro), a metro line in Shenyang, Liaoning Line 2 (Shenzhen Metro), a metro line in Shenzhen, Guangdong Line 2 (Shijiazhuang Metro), a metro line in Shijiazhuang, Hebei Line 2 (Suzhou Rail Transit), a metro line in Suzhou, Jiangsu Line 2 (Taiyuan Metro), a metro line in Taiyuan, Shanxi Line 2 (Tianjin Metro), a metro line in Tianjin Line 2 (Wuhan Metro), a metro line in Wuhan, Hubei Line 2 (Wuhu Rail Transit), a monorail line in Wuhu, Anhui Line 2 (Wuxi Metro), a metro line in Wuxi, Jiangsu Line 2 (Xiamen Metro), a metro line in Xiamen, Fujian Line 2 (Xi'an Metro), a metro line in Xi'an, Shaanxi Line 2 (Xuzhou Metro), a metro line in Xuzhou, Jiangsu Line 2 (Zhengzhou Metro), a metro line in Zhengzhou, Henan Europe Île-de-France tramway Line 2, part of the modern tram network of the Île-de-France region of France Line 2 (Athens Metro), a metro line of the Athens Metro, Athens, Greece Line 2 (Budapest Metro), a subway line of the Budapest Metro, Budapest, Hungary Line 2 (Bilbao metro), a metro line of the Bilbao metro, Bilbao, Spain Line 2 (Metrovalencia), a partially completed metro and tram line covering the city of Valencia, Spain Line 2 (Moscow Metro) or Zamoskvoretskaya line, a metro line in Russia Line 2 (Nizhny Novgorod Metro), a partly opened line in Russia Paris Métro Line 2, a metro line of the Paris Métro, Paris, France Line 2 (Saint Petersburg Metro), a metro line of the Saint Petersburg Metro, Saint Petersburg, Russia Line 2 (Thessaloniki Metro), a deep-level underground rapid transit line in Greece U2 (Vienna U-Bahn), a subway line of Vienna U-Bahn, Vienna, Austria Politics A "two-line whip", an application of a Whip in politics (see Chief Whip for details) "Option 2" (Linje 2) of the 1980 Swedish nuclear power referendum See also Second line (disambiguation) 2 Train (disambiguation)