Line 8 of the Beijing Subway (Chinese: 北京地铁8号线; pinyin: běijīng dìtiě bāhàoxiàn) is a rapid transit line in Beijing. It sits on the central axis of Beijing. Line 8's color is green. It is 49.5 km (30.8 mi) in length with 35 stations (34 in operation). The most recent extension is the central section from National Art Museum to Zhushikou, opened on 31 December 2021.