TWR 70-000 series

The Tokyo Waterfront Area Rapid Transit 70-000 series (東京臨海高速鉄道70-000形) is a DC commuter electric multiple unit (EMU) train type operated in the Tokyo area of Japan by the Tokyo Waterfront Area Rapid Transit. The train was built by Kawasaki Heavy Industries and first entered revenue service in 1996. Its design is based on the 209 series.

Tokyo Waterfront Area Rapid Transit 70-000 series
A TWR 70-000 series EMU on the Kawagoe Line, May 2014
In service1996–Present
ManufacturerKawasaki Heavy Industries
Constructed1995–2004
Refurbished2011-2018
Number in service80 vehicles (8 sets)
Formation10 cars per trainset
Fleet numbersZ1–3, Z6-10
Operator(s)Tokyo Waterfront Area Rapid Transit
Depot(s)Yashio Depot
Line(s) servedRinkai Line, Saikyo Line, Kawagoe Line
Specifications
Car body constructionStainless steel
Car length20 m (65 ft 7 in)
DoorsSliding, 4 pairs per side
Maximum speed110 km/h (70 mph)
Electric system(s)1,500 V DC overhead
Safety system(s)ATS-P, ATC
Track gauge1,067 mm (3 ft 6 in)

Formations

As of 1 April 2011, eight 10-car sets, numbered Z1 to Z3 and Z6 to Z10, are based at Yashio Depot in Tokyo (accessed via a spur located between Tennōzu Isle Station and Tokyo Teleport Station). These sets are formed as follows with six motored ("M") cars and four non-powered trailer ("T") cars.[1]

 
← Shin-Kiba
Osaki, Omiya, Kawagoe →
 
 
 
Car No.10987654321
Designation Tc2AM1AM2AT2AM1AM2BT2AM1AM2ATc2B
Numbering 70-xx070-xx170-xx270-xx370-xx470-xx570-xx670-xx770-xx870-xx9
  • Cars 3, 6, and 9 are each fitted with one lozenge-type pantograph.[1]
  • Cars 1 and 10 have wheelchair space.
  • Car 4 is designated as a mildly air-conditioned car.

History
6-car 70-000 series set in December 2002

The trains were originally formed as 4-car (lengthened to 6 cars from 2002) sets for use on the Rinkai Line only, but 10-car formations were also delivered from 2002 for use on through services to/from the JR Saikyō Line. From October 2004, the fleet was reformed entirely as 10-car trains, with six surplus cars sold to JR East to create 209-3100 series EMUs used on the Kawagoe Line.[2]

209-3100 series conversions
JR East 209-3100 series set 71, April 2005

Six former 70-000 series cars were converted in 2004 and 2005 to become 209-3100 series EMUs for use by JR East. The subsequent identities of these cars are as shown below. (The former car numbers were reused when other spare cars were renumbered.)[2]

Former car numberNew car numberNew set numberDate returned to traffic
70-020KuHa 209-31017114 March 2005
70-027MoHa 209-31027216 December 2004
70-028MoHa 208-31027216 December 2004
70-029KuHa 208-31017114 March 2005
70-030KuHa 209-31027216 December 2004
70-039KuHa 209-31027216 December 2004

References
  • "東京臨海高速鉄道70-000形" [TWR 70-000 series]. Japan Railfan Magazine. No. 418. Japan: Kōyūsha Co., Ltd. February 1996. p. 68.
  1. 私鉄車両編成表 2011 [Private Railway Rolling Stock Formations - 2011]. Japan: Kotsu Shimbunsha. July 2011. p. 81. ISBN 978-4-330-22711-5.
  2. JR電車編成表 2012夏 [JR EMU Formations - Summer 2012]. Japan: Kotsu Shimbunsha. May 2012. p. 67. ISBN 978-4-330-28612-9.
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