The is a railway line operated by

West Japan Railway Company , also referred to as , is one of the Japan Railways Group (JR Group) companies and operates in western Honshu. It has its headquarters in Kita-ku, Osaka. It is listed in the Tokyo Stock Exchange, is a constituent of the TOPIX Large70 index, ...

(JR West) and

Shikoku Railway Company The , commonly known as , is the smallest of the seven constituent companies of the Japan Railways Group (JR Group). It operates of intercity and local rail services in the four prefectures on the island of Shikoku in Japan. The company has it ...

(JR Shikoku) in Japan which links

Okayama Station is a major railway station in Kita-ku, Okayama, Okayama Prefecture, Japan. The station is operated by West Japan Railway Company (JR West). Lines Okayama Station is one of the major intersections of railways in the Chūgoku region. All trai ...

Okayama Prefecture is a Prefectures of Japan, prefecture of Japan located in the Chūgoku region of Honshu. Okayama Prefecture has a population of 1,826,059 (1 February 2025) and has a geographic area of 7,114 Square kilometre, km2 (2,746 sq mi). Okayama Prefecture ...

with Takamatsu Station in

Kagawa Prefecture is a Prefectures of Japan, prefecture of Japan located on the island of Shikoku. Kagawa Prefecture has a population of 949,358 (as of 2020) and is the List of Japanese prefectures by area, smallest prefecture by geographic area at . Kagawa Pr ...

via the

Great Seto Bridge The is a series of double deck bridges connecting Okayama and Kagawa prefectures in Japan across a series of five small islands in the Seto Inland Sea. Built over the period 1978–1988, it is one of the three routes of the Honshū–Shikoku ...

. It is not a distinct railway line, but an official nickname given to a composite section formed of three different lines. Service commenced along with the opening of the Great Seto Bridge in 1988.

Basic data

*Operators, lines: **Total distance: 71.8 km **JR West (Services and tracks) ***

Uno Line The is a Japanese railway line which connects Okayama Station in Okayama, Okayama, Okayama to Uno Station in Tamano, Okayama, Tamano, both in Okayama Prefecture. It is owned and run by the West Japan Railway Company (JR West). It is also refer ...

¹: Okayama — Chayamachi, 14.9 km *** Honshi-Bisan Line: Chayamachi — Kojima, 12.9 km **JR Shikoku (Services and tracks) ***Honshi-Bisan Line: Kojima — Utazu, 18.1 km ***

Yosan Line The is the principal railway line on the island of Shikoku in Japan, connecting the major cities of Shikoku, and via the Honshi-Bisan Line, with Honshu. It is operated by the Shikoku Railway Company (JR Shikoku), and is aligned approximately p ...

¹: Utazu — Sakaide — Takamatsu 25.9 km **

JR Freight , or , is one of the seven constituent companies of Japan Railways Group (JR Group). It provides transportation of cargo nationwide throughout Japan. Its headquarters are in Shibuya, Tokyo near Shinjuku Station. The Japan Railways Group was foun ...

(Services) ***Uno Line ¹: Okayama — Chayamachi, 14.9 km ***Honshi-Bisan Line: Chayamachi — Kojima — Utazu, 31.0 km ***Yosan Line ¹: Utazu — Sakaide — Takamatsu 25.9 km :¹: Only the portions of these lines are called ''Seto-Ōhashi Line''. *

Gauge Gauge ( ) may refer to: Measurement * Gauge (instrument), any of a variety of measuring instruments * Gauge (firearms) * Wire gauge, a measure of the size of a wire ** American wire gauge, a common measure of nonferrous wire diameter, especia ...

: *Stations: 22 *Track: **Double: Chayamachi — Takamatsu **Single: the remainder *Electrification: 1,500 V DC *

Railway signalling Railway signalling (), or railroad signaling (), is a system used to control the movement of railway traffic. Trains move on fixed rails, making them uniquely susceptible to collision. This susceptibility is exacerbated by the enormous weight ...

: Automatic

Services

As a link between

Honshu , historically known as , is the largest of the four main islands of Japan. It lies between the Pacific Ocean (east) and the Sea of Japan (west). It is the list of islands by area, seventh-largest island in the world, and the list of islands by ...

and

Shikoku is the smallest of the List of islands of Japan#Main islands, four main islands of Japan. It is long and between at its widest. It has a population of 3.8 million, the least populated of Japan's four main islands. It is south of Honshu ...

, the line has many limited express trains, including the '' Shiokaze'', '' Nanpū'', '' Uzushio'', and ''

Sunrise Seto The is an overnight sleeping car train service in Japan operated by the East Japan Railway Company (JR East), Central Japan Railway Company (JR Central), West Japan Railway Company (JR West), and Shikoku Railway Company (JR Shikoku) since July ...

''. There are also rapid trains such as the ''Sun Port'' and ''

Marine Liner The is a rapid train service in Japan operated by West Japan Railway Company (JR West) and Shikoku Railway Company (JR Shikoku) since April 1988. The ''Marine Liner'' links Okayama, the capital city of Okayama Prefecture and a major station o ...

''. The segment operated by JR West (Okayama — Kojima) accepts

ICOCA ICOCA () is a rechargeable contactless smart card used on the JR West rail network in Japan. The card was launched on November 1, 2003, for usage on the Urban Network, which encompasses the major cities of Osaka, Kyoto, and Kobe (Keihanshin). I ...

, a

smart card A smart card (SC), chip card, or integrated circuit card (ICC or IC card), is a card used to control access to a resource. It is typically a plastic credit card-sized card with an Embedded system, embedded integrated circuit (IC) chip. Many smart ...

ticketing system.

Stations

:SK: ''Shiokaze'' :NP: ''Nampū'' :US: ''Uzushio'' :SS: ''Sunrise Seto'' :ML: ''Rapid Marine Liner'' :SP: ''Rapid Sun Port'' All trains stop at stations marked "●" and pass stations marked "-". Some trains stop at "▲" and few trains stop at △.

External links

JR Shikoku official website

JR West official website
{{DEFAULTSORT:Seto-Ohashi Line Lines of Shikoku Railway Company Lines of West Japan Railway Company 1067 mm gauge railways in Japan

Basic data

Services

Stations

See also

External links