Tokyo Metro Fukutoshin Line

An underground railway that opened on 14 June 2008, linking Shibuya, Shinjuku-Sanchome and Ikebukuro — Tokyo's three main secondary centres — on a 20.2-kilometre, 16-station alignment from Shibuya to Wako-shi. Through-running with Tobu, Seibu and Tokyu lines connects Saitama to Yokohama without a transfer.

A Vertical Axis for Three Sub-Centres

The Tokyo Metro Fukutoshin Line opened on 14 June 2008, running 20.2 kilometres from Wako-shi Station in Saitama Prefecture to Shibuya Station across 16 stops. Between Wako-shi and Kotakemukohara — approximately 8 kilometres — the line shares its tracks with the Yurakucho Line; the Fukutoshin Line’s own alignment begins at Kotakemukohara and runs south to Shibuya, passing through three of Tokyo’s major secondary centres: Ikebukuro, Shinjuku-Sanchome and Shibuya.

The line’s origins lie in the government’s 1972 Urban Transport Council Recommendation No. 15, which designated a north-south corridor connecting the three sub-centres as “Line 13.” Planning adjustments and infrastructure negotiations stretched over more than 36 years before the line opened in 2008. Unlike the curved arc of the Yamanote Line or the radial private railways, the Fukutoshin Line runs in a near-straight line through the city’s commercial belt, designed as a true axial corridor rather than a circumferential or radial route.

From its first day of operation, the line provided through-running service with the Tobu Tojo Line (connecting at Wako-shi) and the Seibu Ikebukuro and Seibu Yurakucho lines (connecting at Kotakemukohara), allowing passengers from the northern suburbs of Saitama to reach Ikebukuro, Shinjuku-Sanchome and Shibuya in a single seat.

2013: Through to Yokohama

On 16 March 2013, approximately five years after opening, the Fukutoshin Line began through-running with the Tokyu Toyoko Line. Achieving this connection required relocating the Tokyu Toyoko Line’s Shibuya terminus underground and integrating it with the Fukutoshin Line platforms — a major engineering project carried out alongside the broader redevelopment of Shibuya Station.

With this connection in place, a through-running network stretched from the northern suburbs of Saitama to the Minato Mirai district of Yokohama in a single unbroken service. Trains originating from Kawagoe on the Tobu Tojo Line or Tokorozawa on the Seibu Ikebukuro Line now pass through Ikebukuro, Shinjuku-Sanchome and Shibuya before continuing south via the Tokyu Toyoko Line to Yokohama and Motomachi-Chukagai. The Fukutoshin Line’s tunnels carry rolling stock in the liveries of Tobu, Seibu and Tokyu — three separate private railways sharing the same underground corridor through central Tokyo.

Summary

The Tokyo Metro Fukutoshin Line (Wako-shi to Shibuya, 20.2 km, 16 stations) opened on 14 June 2008, more than 36 years after the initial planning designation in 1972. Through-running with Tobu and Seibu was in place from day one; the Tokyu Toyoko Line connection added in 2013 completed a through-running route linking Saitama with Yokohama via central Tokyo without a transfer. Standing on the platforms at Shinjuku-Sanchome or Shibuya and watching trains in three different liveries arrive in sequence is one of the most compact illustrations of how Tokyo’s underground knits its private railways together.

Related: Shibuya Scramble Square / Sotetsu/Tokyu Shin-Yokohama Line

For hotels in Shibuya, Ikebukuro, or along the Fukutoshin Line, Rakuten Travel has a wide selection.