{
  "contentStorage": "postgres",
  "title": "Line 3 (Beijing Subway) · Versions",
  "description": "Line 3 (Beijing Subway) is a metro line, opened on 15 December 2024, 14.7 km long, with 10 stations.",
  "url": "/en/concepts/beijing-metro-line-3/versions.html",
  "entity": {
    "customFields": [
      {
        "key": "line_opened",
        "value": "15 December 2024"
      },
      {
        "key": "line_length",
        "value": "14.7 km"
      },
      {
        "key": "line_stations",
        "value": "10"
      },
      {
        "key": "line_structure",
        "value": "underground"
      },
      {
        "key": "line_max_speed",
        "value": "80 km/h"
      },
      {
        "key": "line_status",
        "value": "In operation"
      }
    ],
    "id": "concept_beijing_metro_line_3",
    "type": "concept",
    "title": "Line 3 (Beijing Subway)",
    "slug": "beijing-metro-line-3",
    "aliases": [
      "北京地铁3号线"
    ],
    "summary": "Line 3 (Beijing Subway) is a metro line, opened on 15 December 2024, 14.7 km long, with 10 stations.",
    "status": "published",
    "categories": [
      "category-transit"
    ],
    "tags": [
      "tag-metro"
    ],
    "sources": [
      {
        "id": "cptond",
        "title": "CPTOND-2025 — Wang, Liang 等 (CC BY 4.0)",
        "url": "https://doi.org/10.6084/m9.figshare.29377427.v2",
        "locator": "Beijing/beijing_metro_routes.shp; DBF rows 9,27; status=1"
      },
      {
        "id": "operator-review",
        "title": "Beijing Subway — Wikipedia",
        "url": "https://en.wikipedia.org/wiki/Beijing_Subway",
        "locator": "Operators / Operation and current lines table; operator identity review only, not station coverage. Retrieved 2026-10-24; CC BY-SA 4.0; original Chinese factual summary."
      },
      {
        "id": "wikidata",
        "title": "Wikidata Q6553113",
        "url": "https://www.wikidata.org/wiki/Q6553113"
      },
      {
        "id": "zhwiki",
        "title": "北京地铁3号线（维基百科）",
        "url": "https://zh.wikipedia.org/wiki/%E5%8C%97%E4%BA%AC%E5%9C%B0%E9%93%813%E5%8F%B7%E7%BA%BF",
        "locator": "信息框"
      }
    ],
    "createdAt": "2026-10-25",
    "updatedAt": "2026-10-25",
    "revision": 1,
    "body": "## Overview\n\nLine 3 (Beijing Subway) is a metro line, opened on 15 December 2024[^zhwiki], 14.7 km long[^zhwiki], with 10 stations[^zhwiki].",
    "url": "/concepts/beijing-metro-line-3.html",
    "lang": "en",
    "availableLangs": [
      "zh",
      "en"
    ],
    "conceptKind": "metro_line"
  },
  "entities": null,
  "versions": [
    {
      "revision": 1,
      "updatedAt": "2026-10-25",
      "message": "当前版本",
      "hasSnapshot": true,
      "url": "/en/concepts/beijing-metro-line-3/at/1.html"
    }
  ],
  "lang": "en",
  "availableLangs": [
    "zh",
    "en"
  ],
  "infoFields": [
    {
      "key": "concept_kind",
      "label": "Concept kind",
      "value": "Metro line"
    },
    {
      "key": "aliases",
      "label": "Aliases",
      "value": "北京地铁3号线"
    },
    {
      "key": "line_opened",
      "label": "Opened",
      "value": "15 December 2024"
    },
    {
      "key": "line_length",
      "label": "Length",
      "value": "14.7 km"
    },
    {
      "key": "line_stations",
      "label": "Stations",
      "value": "10"
    },
    {
      "key": "line_structure",
      "label": "Structure",
      "value": "underground"
    },
    {
      "key": "line_max_speed",
      "label": "Maximum speed",
      "value": "80 km/h"
    },
    {
      "key": "line_status",
      "label": "Status",
      "value": "In operation"
    }
  ],
  "pagination": {
    "page": 1,
    "pageSize": 50,
    "total": 1,
    "pageCount": 1
  }
}