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Izukyū Corporation

Japanese private railway company operating the 45.7-kilometre Izu Kyūkō Line on the Izu Peninsula.

Last updated August 26, 2026

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Overview

Izukyū Corporation is a Japanese private railway company based in Itō, Shizuoka Prefecture. Its principal transport asset is the Izu Kyūkō Line, a 45.7-kilometre railway running along the eastern side of the Izu Peninsula between Itō and Shimoda. The line connects with the national railway network at Itō and serves a region known for coastal scenery, tourism, hot-spring resorts and access to destinations in southern Shizuoka. The company was created within the Tokyu group during the postwar expansion of regional rail infrastructure. Tokyu began preliminary work in 1956 on a railway linking Itō, the southern terminus of the Japanese National Railways’ Itō Line, with Shimoda at the southern end of the peninsula. To undertake the project, Tokyu established the Itō-Shimoda Electric Railway Company on April 11, 1959. Construction began in February 1960. The company adopted the name Izukyū Corporation on February 20, 1961, before beginning railway operations from Itō Station on December 10 of the same year. Although the railway is the company’s defining business, Izukyū has also operated or supported a broader regional-service portfolio. Activities associated with the company and its subsidiaries include taxi and bus services, real-estate development, leisure and resort projects, and a cable-television network. The Shimoda Ropeway is identified as a subsidiary operation. These activities reflect the Tokyu group’s broader model of combining transportation with property, tourism and local services. Izukyū became a public company when its shares were listed on the Second Section of the Tokyo Stock Exchange on November 1, 1972. Its listed status ended on October 1, 2004, when it was delisted and returned to the status of a wholly owned Tokyu subsidiary. The change placed the company more directly within Tokyu’s corporate structure while leaving Izukyū as the operating company for its railway and associated regional businesses. The railway has used several generations of rolling stock. The 2100 series was introduced in 1985, while 8000-series trains transferred from Tokyu entered service after 2004. In 2022, Izukyū introduced 3000-series vehicles based on former JR East 209-2100-series stock. Operational control was further centralized through the establishment of a centralized traffic-control centre at Itō in 1982. Izukyū remains principally a regional railway and tourism-support company rather than a national transportation brand. Its importance lies in maintaining rail access along the eastern Izu Peninsula and in connecting transport operations with the area’s tourism, leisure and community-service economy.

History

Izukyū Corporation originated in Tokyu Corporation’s plan to build a railway between Itō and Shimoda on the Izu Peninsula. Preliminary work began in 1956, when Tokyu investigated a connection from Itō Station, then the terminus of the Japanese National Railways’ Itō Line, toward Shimoda in southern Shizuoka. The proposed railway was intended to improve access to the peninsula and create a transport foundation for its communities and tourism economy. Tokyu incorporated a wholly owned project company, the Itō-Shimoda Electric Railway Company, on April 11, 1959. Construction of the line began in February 1960. On February 20, 1961, the company changed its name to Izukyū Corporation. Railway service commenced on December 10, 1961, with trains operating from Itō Station. The completed Izu Kyūkō Line became the company’s core asset and continues to define its identity. As the railway developed, Izukyū expanded beyond train operations through associated businesses and subsidiaries. Its activities came to include bus and taxi services, real-estate initiatives, leisure and resort development, and cable television. The Shimoda Ropeway became one of the company’s tourism-related operations. This diversification corresponds with the Tokyu group’s practice of combining transport infrastructure with property development and visitor-oriented services. Operational management was strengthened in 1982 through the establishment of a centralized traffic-control centre at Itō. The railway also developed a succession of rolling-stock fleets. The 2100 series was introduced in 1985. Following the company’s ownership restructuring, former Tokyu 8000-series vehicles were transferred to Izukyū and entered service in 2004. A further fleet change occurred in 2022, when 3000-series vehicles derived from former JR East 209-2100-series trains were introduced. Izukyū’s corporate ownership changed significantly over time. The company was listed on the Second Section of the Tokyo Stock Exchange from November 1, 1972. It was delisted on October 1, 2004, and became a fully owned subsidiary of Tokyu Corporation. The delisting ended its period as a separately traded public company but preserved its role as a Tokyu group operating company. Today, Izukyū operates one railway line, the 45.7-kilometre Izu Kyūkō Line, on the Izu Peninsula. Its business identity combines regional passenger rail with supporting transport, tourism, property and local-service activities. The company’s continuing role is closely tied to the accessibility and economic life of eastern and southern Izu.

  • 2022

    3000 series introduced

    [1]

    Izukyū introduces 3000-series vehicles based on former JR East 209-2100-series rolling stock.

  • 2004

    Delisting and return to wholly owned status

    [1]

    The company is delisted from the Tokyo Stock Exchange on October 1 and becomes a wholly owned subsidiary of Tokyu Corporation. Former Tokyu 8000-series trains are transferred to Izukyū.

  • 1985

    2100 series introduced

    [1]

    Izukyū introduces its 2100-series rolling stock.

  • 1982

    Centralized traffic control introduced

    [1]

    The company establishes a centralized traffic-control centre at Itō.

  • 1972

    Tokyo Stock Exchange listing

    [1]

    Izukyū shares are listed on the Second Section of the Tokyo Stock Exchange on November 1.

  • 1961

    Company adopts the Izukyū name

    [1]

    The company changes its name to Izukyū Corporation on February 20 and starts railway operations from Itō Station on December 10.

  • 1960

    Construction begins

    [1]

    Construction of the new railway line begins in February.

  • 1959

    Project company incorporated

    [1]

    Tokyu establishes the Itō-Shimoda Electric Railway Company as a wholly owned subsidiary on April 11.

  • 1956

    Tokyu begins preliminary railway planning

    [1]

    Tokyu Corporation begins preliminary work on a proposed railway linking Itō with Shimoda on the Izu Peninsula.

Products and positioning

Regional railway and integrated tourism-services operator serving the Izu Peninsula

  • Regional passenger railway · 1961

    Izu Kyūkō Line

    Izukyū’s principal railway service is a 45.7-kilometre line on the Izu Peninsula, running between Itō and Shimoda. It provides rail access along the peninsula’s eastern corridor and links at Itō with the wider railway network. The line is the company’s central operating asset and supports both everyday regional mobility and travel to Izu’s coastal, resort and hot-spring destinations.

  • Tourism transportation

    Shimoda Ropeway

    The Shimoda Ropeway is a tourism-oriented cable transport operation identified as a subsidiary of Izukyū Corporation. It complements the company’s railway presence in the Izu region by providing visitor transportation associated with Shimoda’s leisure and sightseeing economy.

  • Railway rolling stock · 1985

    2100 series

    The 2100 series is an Izukyū train family introduced in 1985. It forms part of the company’s historical and active rolling-stock portfolio and represents one of the principal vehicle generations used on the Izu Kyūkō Line.

  • Railway rolling stock · 2004

    8000 series

    The 8000 series consists of former Tokyu 8000-series trains transferred to Izukyū in 2004. Their introduction followed Izukyū’s return to wholly owned subsidiary status within the Tokyu group and added transferred Tokyu rolling stock to the railway’s fleet.

  • Railway rolling stock · 2022

    3000 series

    The 3000 series is a newer Izukyū rolling-stock family introduced in 2022. The vehicles are based on former JR East 209-2100-series stock and represent the company’s more recent fleet renewal activity.

Brand decisions

  • 2022

    Introduction of 3000-series rolling stockGeneration change

    Background

    Izukyū’s fleet included the 2100 series and former Tokyu 8000-series vehicles transferred in 2004.

    Action taken

    The company introduced 3000-series trains based on former JR East 209-2100-series rolling stock.

    Aftermath

    The introduction added a newer rolling-stock generation to the fleet serving the Izu Kyūkō Line.

  • 2004

    Return to wholly owned Tokyu subsidiary statusM&A

    Background

    Izukyū had been listed on the Second Section of the Tokyo Stock Exchange since 1972. The company’s ownership structure was subsequently consolidated within Tokyu Corporation.

    Action taken

    Izukyū was delisted on October 1, 2004 and returned to the status of a wholly owned Tokyu subsidiary.

    Aftermath

    The company continued operating the Izu Kyūkō Line within the Tokyu group while retaining associated regional transport, tourism, property and leisure activities.

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