The is a Japanese DC

electric multiple unit An electric multiple unit or EMU is a multiple-unit train consisting of self-propelled carriages using electricity as the motive power. An EMU requires no separate locomotive, as electric traction motors are incorporated within one or a numbe ...

(EMU) commuter train type operated by the

private railway A private railway is a railroad run by a private business entity (usually a corporation but not need be), as opposed to a railroad run by a public sector. Japan In Japan, , commonly simply ''private railway'', refers to a public transit railway o ...

operator

Tobu Railway is a Japanese commuter railway and ''keiretsu'' holding company in the Greater Tokyo Area as well as an intercity and regional operator in the Kantō region. Excluding the Japan Railways Group companies, Tobu's rail system is the second longes ...

Tobu Skytree Line The is a section of the Tobu Isesaki line operated by the private railway company Tobu Railway, extending from Asakusa Station in Tokyo to Tōbu-Dōbutsu-Kōen Station in Saitama Prefecture. Some trains from the line continue to the Tokyo Metr ...

and

Tokyo Metro Hibiya Line The is a subway line in Tokyo, Japan, owned and operated by Tokyo Metro. The line was named after the Hibiya area in Chiyoda's Yurakucho district, under which it passes. On maps, diagrams and signboards, the line is shown using the color silve ...

inter-running services since 7 July 2017.

Variants

*70000 series (in service since 7 July 2017) *70090 series (in service since 20 March 2020)

70000 series

Overview

The 70000 series trains are scheduled to replace the 20000 series EMUs used on

and

inter-running services. Due to the effective length of the new trains which have 20 m long cars instead of the 18 m long cars of the 20000 series, the trains were formed of seven cars instead of eight cars to cope with Hibiya Line platform lengths, resulting in about a 1% reduction in capacity. A unified door arrangement with four pairs per side instead of the mixture of three and five pairs per side on the 20000 series trains allows the installation of

platform edge doors Platform screen doors (PSDs), also known as platform edge doors (PEDs), are used at some train, rapid transit and people mover stations to separate the platform from train tracks, as well as on some bus rapid transit, tram and light rail syste ...

on the Tokyo Metro Hibiya Line once the older train fleets have been replaced. The trains use

permanent-magnet synchronous motor A synchronous electric motor is an AC electric motor in which, at steady state, the rotation of the shaft is synchronized with the frequency of the supply current; the rotation period is exactly equal to an integral number of AC cycles. Sync ...

s (PMSM), offering 25% energy savings compared to the motors used in earlier 20000 series trains.

Formation

The 70000 series trains are formed as seven-car sets as shown below, with car 1 at the northern end. Each car is motored, with only the outer axle on each bogie motored. Car 4 has two single-arm pantographs, and cars 2 and 6 each have one. File:Tobu 71701 TRS-17M motor bogie Hanyu Station 20170227.jpg, A TRS-17M motor bogie

Interior

Internally, the trains use

LED lighting An LED lamp or LED light bulb is an electric light that produces light using light-emitting diodes (LEDs). LED lamps are significantly more energy-efficient than equivalent incandescent lamps and can be significantly more efficient than mos ...

throughout. Three 17-inch LCD passenger information displays are provided above each doorway. Seating consists of longitudinal bench seats throughout, with a seat width of per person (compared to 450 mm per person for the 20000 series). Wheelchair spaces are provided at one end of each car. File:Tobu-Series70000 Inside.jpg, General interior view File:Tobu-Series70000 Inside Priority-Seats.jpg, Priority seating File:Tobu-Series70000-Inside Free-Space.jpg, Priority seating with wheelchair space File:Tobu-Series70000-Inside Digital-Signage.jpg, Passenger information displays

History

Tobu Railway announced its plans to introduce a new fleet of trains with 20 m long cars and four sets of doors per side on each car in April 2014, jointly with Tokyo Metro. Details of the new 70000 series trains on order were officially announced on 17 June 2015, together with details of the

Tokyo Metro 13000 series The is a Japanese DC commuter electric multiple unit (EMU) train type operated by the Tokyo subway operator Tokyo Metro on Tokyo Metro Hibiya Line and Tobu Skytree Line inter-running services. Introduced into service on 25 March 2017, a total o ...

to be introduced around the same time. The entire fleet of new trains is scheduled to be delivered between fiscal 2016 and fiscal 2019, with the first set delivered from

Kinki Sharyo is a Japanese manufacturer of railroad vehicles based in Osaka. It is an affiliate company of Kintetsu Corporation. In business since 1920 (as Tanaka Rolling Stock Works) and renamed The Kinki Sharyo Co., Ltd in 1945. They have produced light ...

in February 2017. The first trains entered revenue service on 7 July 2017.

Build histories

The delivery dates for the fleet are as shown below.

70090 series

The 70090 series trains are used on Tobu and Tokyo Metro Hibiya Line interrunning services, and were introduced into service on 20 March 2020. They feature a different exterior color scheme than the 70000 series. The service on which these trains operate, branded , offers reserved seating.

Interior

The sets have seats that can be arranged longitudinally or transversely. File:Tobu-70090-inside.jpg, General view of the interior, the seats being configured longitudinally File:東武70090型シート1.jpg, General view of the interior, the seats being configured transversely File:Tobu-70090-inside-Priority seating.jpg, Priority seating File:Tobu-70090-Digital signage-On the door.jpg, Passenger information displays

Build histories

The manufacturers and delivery dates for the fleet are as shown below.

References

External links

Official press release

{{DEFAULTSORT:Tobu 70000 series Electric multiple units of Japan 70000 series Train-related introductions in 2017 Kinki Sharyo multiple units 1500 V DC multiple units of Japan