Mezue ahịrịokwu na-esonụ: E mepere ọdụ ụgbọ okporo ígwè Suetsugi na June 1, 1947. E webatara ọdụ ụgbọ oloko ahụ na netwọkụ JR East mgbe privatization nke Japanese National Railways (JNR) na Eprel 1, 1987. Site na March 11 ruo October 10, 2011, na-esote
Mgbe nnukwu ala ọma jijiji mere n'Ebe Ọwụwa Anyanwụ Japan na ọdachi nuklia nke Fukushima Daiichi, e ji bọs dochie ọrụ ụgbọ okporo ígwè.