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Line 9 (Changchun Rail Transit)

metro line in Changchun, China

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General referenceInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionSep 29, 2025
Entity authorityQ106892612 ↗
Source-derived summary

Line 9 of the Changchun Rail Transit (Chinese: 长春轨道交通九号线; pinyin: Chángchūn guǐdào jiāotōng jiǔ hào xiàn) is a rapid transit line running from Wukaihe Dajie to Jiutai South Railway Station including a station at Changchun Longjia Airport. It is under construction and planned to open in 2027.

History

Phase 1

Plans to open by 2027, from Wukaihe Dajie to Jiutai South Railway Station.

Editorial summary

“Line 9 (Changchun Rail Transit)” enters the record as metro line in Changchun, China. Crown Archives preserves that source wording while asking what Line, Changchun and Rail can confirm, complicate or overturn.

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—2027—that can be checked directly. The selected authority fields contribute no independent date. Its strongest next move is a source search built around Line, Changchun and Rail.
Editorial analysis

Why this record matters

“Line 9 (Changchun Rail Transit)” is worth following because a concise public description often conceals a longer documentary argument. Here, Line, Changchun and Rail provides the most credible route into that argument.

Evidence profile

Named sources, stable identifiers and responsible institutions provide the strongest route from overview to verifiable evidence. The source revision retrieved here is dated Sep 29, 2025. The linked authority identifier is Q106892612. None of the 0 selected statements returned an explicit reference. The first chronological checks are 2027.

Critical limits

The absence of detail may reflect summary conventions rather than a lack of surviving documentation. 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 9 (Changchun Rail Transit)”, its source revision and the description used here.
  2. Expand the search: follow Line 9 (Changchun Rail Transit) primary sources, Line 9 (Changchun Rail Transit) 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 9 (Changchun Rail Transit)”?
  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 9 (Changchun Rail Transit)” 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.