On May 13, Hitachi, Ltd.'s Kasado Works in Kudamatsu City, Yamaguchi Prefecture, Japan, which designs and manufactures rolling stock, such as Shinkansen trains (aka bullet trains) and commuter trains, held "Hitachi Open Day 2023" event. About 3,800 people, mainly parents and children from the surrounding area and railroad fans, visited the plant to see the manufacturing site, which is usually closed to the public.