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Research dossier · General Reference

Line 3 (Beijing Subway)

Railway line of Beijing Subway

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General referenceInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionSep 17, 2026
Entity authorityQ6553113 ↗
Source-derived summary

Line 3 of the Beijing Subway (Chinese: 北京地铁3号线; pinyin: běijīng dìtiě sān hàoxiàn) is a rapid transit line in Beijing, China. It opened on December 15, 2024. It is colored rose red on system maps.

Description

Phase 1

Phase 1 of Line 3 is 14.7 km (9.1 mi) with 10 stations. It is fully underground. Due to unstable planning east of Dongbabei station, line 3 will only open between Dongsi Shitiao and Dongbabei. It opened on December 15, 2024.

Phase 1 East extension

Phase 1 East extension from Dongbabei to Caogezhuangbei have been approved by NDRC in 2015. The extension will be 6.4 km in length with 5 stations. It will be fully underground.

Editorial summary

The public source identifies “Line 3 (Beijing Subway)” as railway line of Beijing Subway. This brief keeps that definition visible, then builds a research path around Line, Beijing and Subway.

Editorial reviewA concise reference frame for defining the subject, testing terminology and identifying the institution closest to the evidence. The current lead gives the account dated anchors—2024, 2015—that can be checked directly. The selected authority fields contribute no independent date. Its value is orientation rather than verdict, with Line, Beijing and Subway providing the first useful test.
Editorial analysis

Why this record matters

A short description can identify a subject without explaining its stakes. For “Line 3 (Beijing Subway)”, the useful work is to connect “railway line of Beijing Subway” to the records capable of establishing context and consequence.

Evidence profile

Vocabulary and entity names are the principal evidence signals here, because they determine the precision of every later search. The source revision retrieved here is dated Sep 17, 2026. The linked authority identifier is Q6553113. Authority coordinates are 39.934, 116.492. None of the 1 selected statements returned an explicit reference. The first chronological checks are 2024 and 2015.

Critical limits

Overview language is designed for orientation and should not be treated as a substitute for the evidence cited beneath it. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.

How to read it

Use the entry as an orientation point, then follow its citations and revision history. Names, dates and institutional relationships should be checked against the original record.

Best used for
  • Subject orientation
  • Search vocabulary
  • Locating named sources
Verify next

The closest primary source, responsible institution and strongest cited specialist reference.

Three-step research path

  1. Establish the record: confirm the title “Line 3 (Beijing Subway)”, its source revision and the description used here.
  2. Expand the search: follow Line 3 (Beijing Subway) primary sources, Line 3 (Beijing Subway) archive and Line research across catalogues and specialist indexes.
  3. Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.

Questions for further research

  1. Which source most directly establishes the central claim about “Line 3 (Beijing Subway)”?
  2. What terminology or title could unlock a more precise catalogue search?
  3. Which institution is responsible for the underlying evidence?
Subject index

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Source & attribution

This entry incorporates text from “Line 3 (Beijing Subway)” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.