The various types of Shinkansen seen on the island of Kyushu, seen at Kokura & Kumamoto stations.
The Sanyo Shinkansen connects Shin-Osaka in Osaka with Hakata Station in Fukuoka, connecting to Kyushu via undersea tunnel. The first station on Kyushu being Kokura. The Kyushu Shinkansen runs south from Hakata to Kagoshima via Kumamoto.
The 800 series are restricted to the Kyushu Shinkansen, whilst the 16 car Shinkansen only operate as far south as Hakata.
8 car 700 series can operate through services as far north as Tokyo
AloJapan.com