Line_20_(Beijing_Subway)
Line 20 (Beijing Subway)
Rapid transit line under planning in Beijing
Line 20 of the Beijing Subway (Chinese: 北京地铁20号线; pinyin: běijīng dìtiě èrshí hàoxiàn), or Line R4 (Chinese: 北京地铁R4线; pinyin: běijīng dìtiě R sì xiàn) is a rapid transit line under planning in Beijing.
The first phase of Line 20 will be 19 km in length with 4 stations. It is expected to open in 2028.[1] There will be through service between Line 3 and Line 20.[2]