Editing Batong line (section)

===Opening timeline===
{| class="wikitable" style="border-collapse: collapse; text-align: right;"
!Segment!!Commencement!!Length!!Station(s)!!Name
|-
|style="text-align: left;"| Sihui — Tuqiao
| 27 December 2003
| {{convert|18.964|km|mi|1|abbr=on}}<ref>{{cite web|url=http://news.sina.com.cn/o/2003-05-29/2023169473s.shtml|date=2003-05-29|title=北京地铁八通线轨道全线贯通 仍将确保年底通车}}</ref>
| 13
|style="text-align: left;"| Phase 1
|-
|style="text-align: left;"| Tuqiao — Huazhuang
| 28 December 2019<ref name=bjd-1>{{cite web|url=http://bjwb.bjd.com.cn/html/2019-12/25/content_12438029.htm|title=7号线东延八通线南延本周六开通试运营 运营时间保持不变 环球度假区站暂不开通|date=2019-12-25|access-date=2019-12-25|archive-date=2019-12-25|archive-url=https://web.archive.org/web/20191225161944/http://bjwb.bjd.com.cn/html/2019-12/25/content_12438029.htm|url-status=dead}}</ref>
|rowspan="2"|{{convert|4.5|km|mi|abbr=on}}<ref name=bj2019length />
| 1
|rowspan="2" style="text-align: left;"| Phase 2<br>(Southern extension)
|-
|style="text-align: left;"| Huazhuang — Universal Resort
| 26 August 2021<ref name=U />
| 1
|}