Minamikyushu Expressway (南九州自動車道, Minami-Kyūshū jidōshadō) is one of the Expressways of Japan from Yatsushiro to Kagoshima linking with the Kyushu Expressway. It runs through the southern half of Kumamoto prefecture, and the northern half of the Kagoshima prefecture. The total length is 140 km.