In 1944 the line commenced servicing the Nakatsu Steel works, until it closed in 1966. The 26 km section beyond Noji closed in 1971, with the remainder closing in 1975.
From 1944 to 1966, the line operated at Nakatsu Steel works. In 1971, the 26-kilometer section beyond Noji was shut down, and by 1975, the remaining part ceased operation.