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  "conceptKind": "metro_line",
  "createdAt": "2026-10-28T00:00:00+08:00",
  "customFields": [
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      "key": "line_opened",
      "value": "April 21, 1908"
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      "key": "line_length",
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    {
      "key": "line_termini",
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      "key": "line_structure",
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      "value": "RATP"
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  "id": "concept_paris_metro_l4",
  "lang": "en",
  "revision": 7,
  "slug": "paris-metro-line-4",
  "sources": [
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      "id": "wiki_ligne_4_du_m_c3_a9tro_de_paris",
      "title": "Ligne 4 du métro de Paris — Wikipédia",
      "url": "https://fr.wikipedia.org/wiki/Ligne_4_du_m%C3%A9tro_de_Paris"
    },
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  "status": "published",
  "summary": "Paris Metro Line 4 is a north-south trunk line, starting from Porte de Clignancourt in the north to Bagneux–Lucie Aubrac in the south, and has achieved fully automated operation.",
  "tags": [
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  "title": "Paris Metro Line 4",
  "type": "concept",
  "updatedAt": "2026-10-28T00:00:00+08:00",
  "updatedBy": "user:admin"
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---

# Paris Metro Line 4

Paris Metro Line 4 is a north-south trunk line, starting from Porte de Clignancourt in the north to Bagneux–Lucie Aubrac in the south, and has achieved fully automated operation.

## Overview

Line 4 is the first north-south line of the Paris Metro, opened in 1908 between Châtelet and Porte de Clignancourt. It runs through the core of Paris and crosses the Seine River above ground between Cité and Saint-Michel [^wiki].

## History

- 1908: Châtelet–Porte de Clignancourt section opened; 1909: extended south to Porte d'Orléans;
- 2013: extended to Mairie de Montrouge; 2022: extended to Bagneux–Lucie Aubrac;
- Early 2020s: fully automated, using MP14 trains [^wiki].

## Major Stations

Porte de Clignancourt, [Paris North Station](/en/places/paris-gare-du-nord.html), [Paris East Station](/en/places/paris-gare-de-l-est.html), Strasbourg–Saint-Denis, Châtelet, Saint-Michel, Odéon, Saint-Germain-des-Prés, [Paris Montparnasse Station](/en/places/paris-gare-montparnasse.html), Denfert-Rochereau, Porte d'Orléans, Mairie de Montrouge, Bagneux–Lucie Aubrac.

## Operation

- Operator: RATP [^ratp]
- Rolling Stock: MP14 (rubber-tired), fully automated
- Service Hours: approximately 5:30 AM–1:15 AM the next day

更新时间：2026-10-28

## 标签

- [地铁](/en/tags/metro.html)

## 关系


## 正文反向链接

- [\[{"translations":\[{"text":"Paris Metro","to":"en"}\],"usedLLM":true,"detectedLanguage":{"language":"zh-Hans"}},{"inputTransliteration":"Bali ditie","script":"Latn"}\]](/en/concepts/paris-metro.html)
- [Paris East Station (Gare de l'Est)](/en/places/paris-gare-de-l-est.html)
- [Paris North Station (Gare du Nord)](/en/places/paris-gare-du-nord.html)
- [Paris Montparnasse Station (Gare Montparnasse)](/en/places/paris-gare-montparnasse.html)

## 来源

- Ligne 4 du métro de Paris — Wikipédia：https://fr.wikipedia.org/wiki/Ligne_4_du_m%C3%A9tro_de_Paris 
- RATP Group — RATP en Île-de-France：https://ratpgroup.com/the-ratp-group/entities/ratp