The Toei Subway, operated by the Tokyo Metropolitan Bureau of Transportation, is Tokyo’s only publicly run subway system.
It covers areas that Tokyo Metro cannot reach, connecting central business districts, traditional residential areas, and rapidly redeveloping waterfront zones.
For commuting, school, and sightseeing, it serves as an essential transportation network.
🏛 1. Basic Information & History
Official Name: Toei Subway (Tokyo Metropolitan Bureau of Transportation)
Opened: 1960 (partial opening of the Asakusa Line)
Total Length: 109.0 km
Number of Stations: 106 (as of 2024)
Operator: Tokyo Metropolitan Government (public subway)
How It Differs from Tokyo Metro
Tokyo Metro: Privately operated (formerly Eidan Subway)
Toei Subway: Directly operated by the Tokyo Metropolitan Government
※ Different fare systems → transfers may incur extra cost
📜 Key Historical Points
1960: Asakusa Line opened; Japan’s first through-service operation
1968: Mita Line opened
1978: Shinjuku Line opened
1991 & 2000: Ōedo Line partially opened → fully opened, forming the current network
Many lines serve as public routes designed to fill gaps not covered by Tokyo Metro
🚃 2. Overview of the Four Toei Lines
Asakusa Line (Rose)
Direct service to Keikyū & Keisei, providing fast access to Narita and Haneda airports.
Mita Line (Blue)
Runs from Meguro to Itabashi through quiet, safe residential areas.
Shinjuku Line (Green)
An east–west commuter route connecting Shinjuku to Motoyawata.
Ōedo Line (Wine Red)
A circular + radial system covering nearly all major areas in central Tokyo.
🌟 3. Strengths of the Toei Subway (Advantages)
✅ 1. Covers Areas Tokyo Metro Doesn’t Reach
Links business districts (Chiyoda, Minato) with traditional residential zones
Shinjuku Line: Quick access from Shinjuku to Edogawa & Chiba (Motoyawata)
✅ 2. Extensive Through-Service with Major Private Railways
Connects with Keikyū, Keisei, Tokyu, Seibu, and more
Direct access to Chiba, Kanagawa, and Saitama
✅ 3. Simple, Easy-to-Navigate Stations
Shorter distances from gates to platforms
More straightforward layouts compared to many Tokyo Metro stations
✅ 4. Some Sections Are Surprisingly Uncrowded
Mita Line (Itabashi area) and parts of the Shinjuku Line remain moderate even during peak hours
⚠️ 4. Weak Points (Disadvantages)
❌ 1. Crowd Levels Vary Greatly by Section
Shinjuku Line and Ōedo Line experience heavy rush-hour congestion
❌ 2. Transfers to Tokyo Metro Can Be Costly & Long
Different fare systems → transfer cost may increase
Some stations require 5+ minutes of walking for transfers
❌ 3. Older Stations Lack Full Barrier-Free Facilities
Asakusa Line and Mita Line have many older stations
Elevators and escalators may be limited at certain stops
🧺 5. Living Convenience by Line
Asakusa Line｜★★★★☆
Excellent for airport access; many traditional neighborhoods with a local feel.
Mita Line｜★★★★☆
Safe, quiet residential areas; popular with families.
Shinjuku Line｜★★★☆☆
Commuter-focused; ideal for those prioritizing transportation convenience.
Ōedo Line｜★★★★★
Covers major city areas and numerous redevelopment zones; high-quality urban living.
🏠 6. Real Estate Perspective (Along Each Line)
💴 Rent Range for Single Living (2025)
Asakusa Line: ¥75,000–¥100,000
Mita Line: ¥70,000–¥110,000
Shinjuku Line: ¥65,000–¥100,000
Ōedo Line: ¥80,000–¥120,000
🏘 Housing Trends by Line
Mita Line & Shinjuku Line:
Many family-type apartments; relatively affordable rent.
Asakusa Line:
Older buildings dominate, offering excellent cost performance.
Ōedo Line:
Many new builds and high-rise towers; popular with young professionals and DINKs.
🎯 7. Best For These Types of Residents
Travelers or business people frequently using Narita or Haneda
Singles seeking affordable neighborhoods with a traditional feel
Families prioritizing safe, child-friendly areas like Itabashi or Edogawa
Young professionals & DINKs wanting to live in redeveloped areas like Kiyosumi-Shirakawa or Kachidoki
📌 8. Summary
The Toei Subway can be described as:
“The other main system supporting Tokyo’s commuting, daily life, and tourism.”
It complements Tokyo Metro through airport access, broad regional connectivity, and extensive coverage of residential areas.
From redeveloped urban hubs to nostalgic local neighborhoods, you can find a lifestyle match along any Toei line.