Tokyo Metro 17000 series
The is a Japanese DC electric multiple unit (EMU) commuter train type operated by Tokyo Metro on the Yūrakuchō Line and Fukutoshin Line to replace the ageing Tokyo Metro 7000 series. It entered service on 21 February 2021. Operations. 17000 series trainsets operate on the following lines. Formation. The fleet consists of six ten-car sets and 15 eight-car sets. 10-car sets. 10-car sets are formed as follows: 8-car sets. Eight-car sets are formed as follows: Interior. Passenger accommodation consists of longitudinal bench seating throughout. Priority seating is provided at the  ends of each car. LCD passenger information screens are situated above each doorway. The floor height is lower than the floor height of the 7000 series. In addition, the 17000 series has a seat width of per person, an increase of over the seats of the 7000 series. History. In November 2019, Tokyo Metro announced plans to introduce a new fleet of 180 vehicles for the Yūrakuchō and Fukutoshin lines, which would replace the Tokyo Metro 7000 series. The first trainset was delivered in January 2020. Build histories. The manufacturers and delivery dates for the fleet are as shown below