Because of the difference in electrification south (1,500 V DC) and north (20 kV AC) of Kuroiso, there are no regularly scheduled passenger services that travel through that station.

[1] The construction of the Tōhoku Main Line began in the Kantō region and extended to the north end of Honshu, and the city of Aomori.

Until 1 November 1906, the current Tōhoku Main Line was run by a private company Nippon Railway.

In 1891, the segment between Morioka and Aomori opened, creating the longest continuous railway line in Japan.

[2] With the extension of the Tōhoku Shinkansen to Shin-Aomori station in 2010, the segment between Hachinohe and Aomori was delegated to the Aoimori Railway Company.

The 7 km (4.3 mi) Tokyo to Tabata section was electrified at 1,500 V DC in 1909, extended to Akabane in 1928, Omiya in 1932 and Kuroiso in 1959.