Shunan sits on the Sanyo rail corridor in eastern Yamaguchi Prefecture, between Hiroshima and the Kyushu approach via Kokura and Hakata. The city's main rail role centers on Tokuyama Station, a Sanyo Shinkansen stop and regional interchange operated by JR West. For travelers buying Shunan train tickets, Tokuyama is the station name most often used in rail searches and schedules.
Trains from Shunan include Sanyo Shinkansen services for long-distance travel, Sanyo Main Line trains for coastal regional travel, and Gantoku Line services toward the inland route through Yamaguchi and Iwakuni areas. Tokuyama Station handles both bullet train and conventional JR West services, making it the main train station for intercity and regional trips in Shunan.
Rail routes from Shunan run east toward Hiroshima, Okayama, Osaka, and the Tokyo corridor, and west toward Shin-Yamaguchi, Kokura, and Hakata. Regional trains also serve nearby Yamaguchi Prefecture cities such as Hofu, Kudamatsu, Hikari, and Iwakuni. Book trains from and to Shunan online at Rail Monsters.