---
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  "conceptKind": "metro_line",
  "createdAt": "2026-10-28T00:00:00+08:00",
  "customFields": [
    {
      "key": "line_opened",
      "value": "November 8, 1922"
    },
    {
      "key": "line_length",
      "value": "19.6 kilometers"
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    {
      "key": "line_termini",
      "value": "Pont de Sèvres ↔ Mairie de Montreuil"
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    {
      "key": "line_structure",
      "value": "Underground"
    },
    {
      "key": "line_max_speed",
      "value": "70 km/h"
    },
    {
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      "value": "RATP"
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    {
      "key": "line_owner",
      "value": "RATP"
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    {
      "key": "line_rolling_stock",
      "value": "MF01"
    }
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  "id": "concept_paris_metro_l9",
  "lang": "en",
  "revision": 7,
  "slug": "paris-metro-line-9",
  "sources": [
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      "id": "wiki_ligne_9_du_m_c3_a9tro_de_paris",
      "title": "Ligne 9 du métro de Paris — Wikipédia",
      "url": "https://fr.wikipedia.org/wiki/Ligne_9_du_m%C3%A9tro_de_Paris"
    },
    {
      "id": "ratp",
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      "url": "https://ratpgroup.com/the-ratp-group/entities/ratp"
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  "status": "published",
  "summary": "Paris Metro Line 9 connects Pont de Sèvres and Mairie de Montreuil, running in an east-west direction, and is one of the busiest lines in the entire network.",
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  "title": "Paris Metro Line 9",
  "type": "concept",
  "updatedAt": "2026-10-28T00:00:00+08:00",
  "updatedBy": "user:admin"
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---

# Paris Metro Line 9

Paris Metro Line 9 connects Pont de Sèvres and Mairie de Montreuil, running in an east-west direction, and is one of the busiest lines in the entire network.

## Overview

Line 9 opened in 1922, running west from Pont de Sèvres to Mairie de Montreuil (extended to its current location in 1937)[^wiki], with a total length of about 19.6 kilometers, and its passenger traffic is second only to Line 1.

## Main Station

Pont de Sèvres, Trocadéro, Alma–Marceau, Franklin D. Roosevelt, Havre–Caumartin, Chaussée d'Antin–La Fayette, Grands Boulevards, République, Nation, Mairie de Montreuil.

## Operation

- Operator: RATP[^ratp]
- Vehicle: MF01 (Steel Wheels)
- Service hours: approximately 5:30–1:15 the next day

更新时间：2026-10-28

## 标签


## 关系


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## 来源

- Ligne 9 du métro de Paris — Wikipédia：https://fr.wikipedia.org/wiki/Ligne_9_du_m%C3%A9tro_de_Paris 
- RATP Group — RATP en Île-de-France：https://ratpgroup.com/the-ratp-group/entities/ratp