The Tokyo Metro Hanzomon Line (東京地下鉄半蔵門線) is a metro line in Tokyo, Japan, administered by the Tokyo Metro. Its color on maps is purple. Stations on the Hanzomon Line carry the letter Z followed by a number.
The is a metroline in Tokyo, Japan, administered by the TokyoMetro.
The portion between Ueno and Asakusa was completed by the Tokyo Underground Railway on December 30, 1927 and publicized at the time as "the first underground railway in the Orient." Upon its opening, the line was so popular that waiting times to board for the 5-minute trip often exceeded 2 hours.
The line was extended to Shinbashi, its original plan length, in 1934 after a delay caused by inadequate capital in the wake of the Great Kanto Earthquake.