noun
Yūrakuchō Line
A Tokyo Metro subway line running between Wakōshi Station in Saitama and Shin-Kiba Station in Tokyo.
有楽町線で銀座一丁目駅まで行きます。
I go to Ginza-itchōme Station on the Yūrakuchō Line.
Named after the Yūrakuchō district in Tokyo, which the line serves.