Ōnodai Station
Lines. Ōnodai Station is served by the Nariku Line, and is located 6.1 km from the terminus of the line at Takanosu Station. Station layout. The station consists of one side platform serving a single bi-directional track. The station is unattended. History. Ōnodai Station opened on April 20, 1965 as a station on the Japan National Railways (JNR) serving the town of Aikawa, Akita. The line was privatized on November 1, 1986, becoming the Akita Nairiku Jūkan Railway.