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Line 4 is an east-west line on the Nanjing Metro, running from to . It consists of 18 stations and spans a total of . The line color is purple, and it first opened on January 18, 2017.
南京地铁4号线二期工程环境影响评价第二次公示
公示简本
）. 江苏环保公众网. 2018-6-28. 018-6-28/ref>南京地铁4号线二期工程环境影响评价第二次公示（重新）
公示全本
）. 江苏环保公众网. 2019-2-19. 019-3-9/ref> A further extension to Yujiaying is under planning.
Line 4
on the official Nanjing Metro website (includes route map) {{DEFAULTSORT:Nanjing Metro, Line 4 Nanjing Metro lines 2017 establishments in China Railway lines opened in 2017 2017 in Nanjing
Opening timeline
Station list
Future plans
The second phase of the line will extended it to Zhenzhuquandong station.公示简本
）. 江苏环保公众网. 2018-6-28. 018-6-28/ref>南京地铁4号线二期工程环境影响评价第二次公示（重新）
公示全本
）. 江苏环保公众网. 2019-2-19. 019-3-9/ref> A further extension to Yujiaying is under planning.
References
External links
Line 4
on the official Nanjing Metro website (includes route map) {{DEFAULTSORT:Nanjing Metro, Line 4 Nanjing Metro lines 2017 establishments in China Railway lines opened in 2017 2017 in Nanjing