Seto-Ōhashi Line

The Seto-Ōhashi Line (瀬戸大橋線, Seto-Ōhashi-sen) is a railway line operated by West Japan Railway Company (JR West) and Shikoku Railway Company (JR Shikoku) in Japan which links Okayama Station in Okayama Prefecture with Takamatsu Station in Kagawa Prefecture via the Great Seto Bridge.

Service commenced along with the opening of the Great Seto Bridge in 1988.

As a link between Honshu and Shikoku, the line has many limited express trains, including the Shiokaze, Nanpū, Uzushio, and Sunrise Seto.

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

The segment operated by JR West (Okayama — Kojima) accepts ICOCA, a smart card ticketing system.