The Tokyo Metro Tozai Line is a rapid transit line in Tokyo and Chiba Prefecture, Japan, owned and operated by Tokyo Metro. Its name translates to "East-West Line". The line runs between Nakano in Nakano-ku, Tokyo and Nishi-Funabashi in Funabashi, Chiba Prefecture. The Tōzai Line was referred to as Line 5 during the planning stages; the seldom-used official name is Line 5 Tōzai Line . The line carries an average of 1,642,378 passengers daily (2017), making it the busiest line on the Tokyo Metro network. On maps, diagrams and signboards, the Tōzai Line is shown using the color "sky blue" and its stations are given numbers using the letter "T".
A Tozai Line 15000 series train
Tokyo Metro 05 series
Tokyo Metro 05N series
Tokyo Metro 07 series
The Tokyo Metro is a major rapid transit system in Tokyo, Japan, operated by the Tokyo Metro Co. With an average daily ridership of 6.84 million passengers, the Tokyo Metro is the larger of the two subway operators in the city; the other being the Toei Subway, with 2.85 million average daily rides.
Head office of Tokyo Metro near Ueno Station, one of the first stations of the network
Typical Tokyo Metro station, with half-height platform doors (Ōtemachi on the Hanzōmon Line)
A 1000 series train for Shibuya at Shibuya Station on the Ginza Line
Tozai Line 07 series, 05 series, and 5000 series trains