名古屋市営地下鉄東山線
The Higashiyama Line was the first underground rapid transit line in Nagoya, and it opened initially on 15 November 1957 with three stations. The three stations were Nagoya Station, Fushimimachi Station (now ), and Sakaemachi Station (now ). At first, the subway had six 100 series EMU trainsets, formed with two cars per set.