From 2004 to 2011, Relay Tsubame limited express trains from Hakata on the Kagoshima Line provided the link to the Shinkansen line, and Shin-Yatsushiro was designed to facilitate an easy and fast connection between the Relay Tsubame train and the Tsubame shinkansen train on the same platform.
From 2004 to 2011, Relay Tsubame limited express trains from Hakata on the Kagoshima Line served as a link to the Shinkansen line at Shin-Yatsushiro station. The design of Shin-Yatsushiro aimed to facilitate seamless transfers between these two types of trains.