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Union Square Branch

light rail line in Massachusetts, US
Place Subway Line Branch Q109252362

Facts

10 properties

Identity

Instance of
subway line branch

Location

Country
United States[2]
Located in the administrative territorial entity
Somerville[1]

Population and size

Length
+0.7[8]
More facts +6
Part of
Green Line Extension, Green Line[4][5]
Carries thoroughfare
Green Line D branch, Green Line E branch[9][10]
Date of official opening
March 21, 2022[7]
Operator
Massachusetts Bay Transportation Authority[3]
State of use
in use[11]
Terminus
Union Square station[6]
🏷️ Also known as
en Union Square Branch fr branche Union Square ja ユニオン・スクエア支線
🔖 Identifiers · 1
Image (Wikimedia Commons)
Trailing point crossover east of Union Square station, March 2022.JPG ↗

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References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [1] ↑ . wikidata.org.
  3. [3] ↑ . wikidata.org.
  4. [4] ↑ . wikidata.org.
  5. [5] ↑ . wikidata.org.
  6. [6] ↑ . wikidata.org.
  7. [7] ↑ . wikidata.org.
  8. [8] ↑ . wikidata.org.
  9. [9] ↑ . wikidata.org.
  10. [10] ↑ . wikidata.org.
  11. [11] ↑ . wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Union Square Branch. Retrieved October 28, 2026, from https://4ort.xyz/entity/union-square-branch
MLA “Union Square Branch.” 4ort.xyz Knowledge Graph, 4ort.xyz, 28 Oct. 2026, https://4ort.xyz/entity/union-square-branch.
BibTeX @misc{4ortxyz_union-square-branch_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Union Square Branch}}, year = {2026}, url = {https://4ort.xyz/entity/union-square-branch}, note = {Accessed: 2026-10-28}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Union Square Branch — https://4ort.xyz/entity/union-square-branch (retrieved 2026-10-28)

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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 17w ago · Bouzinac · 2026-07-11 view diff on Wikidata ↗
    Located in the administrative territorial entity → Somerville
    Instance of → subway line branch
    Length → 0.7 mile
    Image → Trailing point crossover east of Union Square station, March
    + 9 other properties edited (see Wikidata diff for full list)
    "Changed claim: Instance of: subway line branch"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.