{
  "contentStorage": "postgres",
  "title": "Line 4 (Shanghai Metro) · Versions",
  "description": "Line 4 (Shanghai Metro) is a loop metro line, opened on 31 December 2005, 22.032 km long, with 17 stations.",
  "url": "/en/concepts/shanghai-metro-line-4/versions.html",
  "entity": {
    "customFields": [
      {
        "key": "line_opened",
        "value": "31 December 2005"
      },
      {
        "key": "line_last_extension",
        "value": "29 December 2007"
      },
      {
        "key": "line_length",
        "value": "22.032 km"
      },
      {
        "key": "line_stations",
        "value": "17"
      },
      {
        "key": "line_termini",
        "value": "Loop"
      },
      {
        "key": "line_structure",
        "value": "underground, at grade, elevated"
      },
      {
        "key": "line_max_speed",
        "value": "80 km/h"
      },
      {
        "key": "line_status",
        "value": "In operation"
      }
    ],
    "id": "concept_shanghai_metro_line_4",
    "type": "concept",
    "title": "Line 4 (Shanghai Metro)",
    "slug": "shanghai-metro-line-4",
    "aliases": [
      "上海地铁4号线"
    ],
    "summary": "Line 4 (Shanghai Metro) is a loop metro line, opened on 31 December 2005, 22.032 km long, with 17 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": "Shanghai/shanghai_metro_routes.shp; DBF rows 38,56; status=1"
      },
      {
        "id": "operation-companies",
        "title": "Shentong Metro Group — Wikipedia",
        "url": "https://en.wikipedia.org/wiki/Shentong_Metro_Group#Operation_companies",
        "locator": "Operation company / Chinese name / Metro lines table; CC BY-SA 4.0, retrieved 2026-10-24."
      },
      {
        "id": "operator-review",
        "title": "Shanghai Metro — Wikipedia",
        "url": "https://en.wikipedia.org/wiki/Shanghai_Metro",
        "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 Q1326504",
        "url": "https://www.wikidata.org/wiki/Q1326504"
      },
      {
        "id": "zhwiki",
        "title": "上海地铁4号线（维基百科）",
        "url": "https://zh.wikipedia.org/wiki/%E4%B8%8A%E6%B5%B7%E8%BD%A8%E9%81%93%E4%BA%A4%E9%80%9A4%E5%8F%B7%E7%BA%BF",
        "locator": "信息框"
      }
    ],
    "createdAt": "2026-10-25",
    "updatedAt": "2026-10-25",
    "revision": 3,
    "body": "## Overview\n\nLine 4 (Shanghai Metro) is a loop metro line, opened on 31 December 2005[^zhwiki], 22.032 km long[^zhwiki], with 17 stations[^zhwiki].\n\n## Stations\n\n26 stations in line order (loop)[^wikidata]:\n\n- [[place_shanghai_xizangnanlu|South Xizang Road station]]\n- [[place_shanghai_nanpudaqiao|Nanpu Bridge station]]\n- [[place_shanghai_tangqiao|Tangqiao station]]\n- [[place_shanghai_lancunlu|Lancun Road station]]\n- [[place_shanghai_xiangchenglu|Xiangcheng Road station]]\n- [[place_shanghai_shijidadao|Century Avenue Station]]\n- [[place_shanghai_pudongdadao|Pudong Avenue station]]\n- [[place_shanghai_yangshupulu|Yangshupu Road station]]\n- [[place_shanghai_dalianlu|Dalian Road station]]\n- [[place_shanghai_linpinglu|Linping Road station]]\n- [[place_shanghai_hailunlu|Hailun Road station]]\n- [[place_shanghai_baoshanlu|Baoshan Road station]]\n- Shanghai Railway Station station\n- [[place_shanghai_zhongtanlu|Zhongtan Road station]]\n- [[place_shanghai_zhenpinglu|Zhenping Road station]]\n- [[place_shanghai_caoyanglu|Caoyang Road station]]\n- [[place_shanghai_jinshajianglu|Jinshajiang Road station]]\n- [[place_shanghai_zhongshangongyuan|Zhongshan Park Station]]\n- [[place_shanghai_yananxilu|West Yan'an Road station]]\n- [[place_shanghai_hongqiaolu|Hongqiao Road station]]\n- [[place_shanghai_yishanlu|Yishan Road station]]\n- [[place_shanghai_shanghaitiyuguan|Shanghai Indoor Stadium station]]\n- [[place_shanghai_shanghaitiyuchang|Shanghai Stadium Station]]\n- [[place_shanghai_donganlu|Dong'an Road station]]\n- [[place_shanghai_damuqiaolu|Damuqiao Road station]]\n- [[place_shanghai_lubanlu|Luban Road station]]",
    "url": "/concepts/shanghai-metro-line-4.html",
    "lang": "en",
    "availableLangs": [
      "zh",
      "en"
    ],
    "conceptKind": "metro_line"
  },
  "entities": null,
  "versions": [
    {
      "revision": 3,
      "updatedAt": "2026-10-27",
      "message": "当前版本",
      "hasSnapshot": true,
      "url": "/en/concepts/shanghai-metro-line-4/at/3.html"
    }
  ],
  "lang": "en",
  "availableLangs": [
    "zh",
    "en"
  ],
  "infoFields": [
    {
      "key": "concept_kind",
      "label": "Concept kind",
      "value": "Metro line"
    },
    {
      "key": "aliases",
      "label": "Aliases",
      "value": "上海地铁4号线"
    },
    {
      "key": "line_opened",
      "label": "Opened",
      "value": "31 December 2005"
    },
    {
      "key": "line_last_extension",
      "label": "Last extension",
      "value": "29 December 2007"
    },
    {
      "key": "line_length",
      "label": "Length",
      "value": "22.032 km"
    },
    {
      "key": "line_stations",
      "label": "Stations",
      "value": "17"
    },
    {
      "key": "line_termini",
      "label": "Termini",
      "value": "Loop"
    },
    {
      "key": "line_structure",
      "label": "Structure",
      "value": "underground, at grade, elevated"
    },
    {
      "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
  }
}