E233 series

The E233 series (E233系) is a commuter and suburban electric multiple unit (EMU) train type developed by East Japan Railway Company (JR East) from the earlier E231 series and the E531 series design. The first train was introduced in December 2006 for use on the Chūō Line (Rapid), followed by the E233-1000 series variant in 2007 for use on the Keihin–Tōhoku and Negishi lines, the E233-3000 series outer-suburban variant in December 2007 for use on the Tōkaidō Main Line, and narrow-bodied E233-2000 series variant for Jōban Line and Tokyo Metro Chiyoda Line inter-running services. Further variants were built for use on the Keiyō Line, Yokohama Line, Saikyō Line, and Nambu Line.

E233 series
A line-up of six different E233 series variants in October 2015 (left to right: Nambu Line E233-8000, Saikyo Line E233-7000, Yokohama Line E233-6000, Keiyō Line E233-5000, Tōkaidō,Takasaki,Utsunomiya Line E233-3000, Chūō Line E233-0 series)
ManufacturerJR East, Kawasaki Heavy Industries, Tokyu Car Corporation, J-TREC
DesignerKenji Ekuan
Replaced201 series, 203 series, 205 series, 207-900 series, 209 series, 211 series, E331 series
Constructed2006–present
Entered service26 December 2006
Number in service3,297 vehicles (as of June 2020)
Number scrapped15 cars (total, accident damage)
Formation4/5/6/8/10 cars per trainset
Operator(s)JR East
Depot(s)Kamakura, Kawagoe, Keiyō, Kōzu, Matsudo, Oyama, Toyoda, Saitama
Line(s) served(See below)
Specifications
Car body constructionStainless steel
Car length20,000 mm (65 ft 7 in)
Width2,950 mm (9 ft 8 in)
Doors4 pairs per side
Maximum speed120 km/h (75 mph)
Traction motorsIGBT-VVVF
Acceleration3 km/(h⋅s) (1.9 mph/s) (0/7000 series), 2.5 km/(h⋅s) (1.6 mph/s) (1000/5000/6000/7000/8000/8500 series) 2.3 km/(h⋅s) (1.4 mph/s) (3000 series), 3.3 km/(h⋅s) (2.1 mph/s) (2000 series)
Deceleration5.2 km/(h⋅s) (3.2 mph/s) (emergency brake)
Electric system(s)1,500 V DC overhead catenary
Braking system(s)Regenerative brake
Safety system(s)ATS-P, ATS-SN, ATC, Digital ATC
Coupling systemShibata type
Multiple workingE231-1000 series (for E233-3000 series only)
Track gauge1,067 mm (3 ft 6 in)

Design

The E233 series, according to the October 2005 press release, features two identical sets of the main equipment in case of failure. This is the first JR East stock to feature such backup measures. The E233 series provides for better accessibility for the disabled, and is designed to be more comfortable to ride overall than previous stock. The height between the platform and the train was reduced from the 80 mm (3.1 in) of the 201 and 209 series to 30 mm (1.2 in). Seats are 460 mm (18 in) wide, compared to the 430 mm (17 in) of the 201 series and 450 mm (18 in) of the 209 series. For standing passengers the handle straps have been lowered by 50 mm compared to older train models.

This stock also features an air filtration system to remove unpleasant smells. It also features liquid crystal display information screens and automatic announcement system similar to those used on the E231 series rolling stock on the Yamanote Line.

The stock is the first JR East stock to use full-colour LEDs for the destination indicators on the sides of the carriages. This is due to the fact that the Chūō Line has numerous types of services, and colour-coding will help passengers board the correct train.

Variants

E233-0 series
E233-0 series
Chūō Line 10-car set T12 in May 2019
ManufacturerJR East Niitsu, Kawasaki Heavy Industries, Tokyu Car, J-TREC
Replaced201 series
Constructed2006–2009, 2020
From 2023 (green cars)
Entered service26 December 2006
Scrapped2008 (accident damage)
Number under construction116 vehicles
Number built703 vehicles
Number in service692 vehicles (95 sets)
(+6 vehicles converted to E233-8500 series)
Number scrapped5 vehicles (accident damage)
Formation4/6/10 cars per trainset
Operator(s)JR East
Depot(s)Toyoda
Line(s) servedChūō Line (Rapid), Itsukaichi Line, Ōme Line, Hachikō Line, Fujikyuko Line
Specifications
Car body constructionStainless steel
Car length20,000 mm (65 ft 7 in)
Width2,950 mm (9 ft 8 in)
Height3,620 mm (11 ft 11 in)
Floor height1,130 mm (3 ft 8 in)
Doors4 pairs per side
Traction motorsMT75 traction motors
Electric system(s)1,500 V DC overhead catenary
Current collection methodPS33D pantograph
BogiesDT71 (motor), TR255 (trailer)
Track gauge1,067 mm (3 ft 6 in)

The first E233-0 series train was introduced in December 2006 for use on the Chūō Line (Rapid), Ōme, and Itsukaichi lines, replacing the aging 201 series trains. The fleet of 688 E233-0 series vehicles (10-car x 42, 6-car x 28, 4-car x 25) was delivered by the end of March 2008;[2] 42 ten-car sets T1-T42, and 15 6+4-car sets H43-H57 were constructed primarily for use on the Chūō Line (but also on through services to the Ōme, Itsukaichi, Hachikō, and Fujikyuko Lines), while ten four-car sets Ao458-Ao467 and 13 six-car sets Ao658-Ao670 were constructed for the Ōme Line and Itsukaichi Line. In March 2008 and April 2015, sets Ao458+Ao658 and Ao459+Ao659 were transferred to the Chūō Line and renumbered H58 and H59 respectively.

An additional five cars were built at JR East's Niitsu factory in 2009 to replace five cars from six-car set Ao661 withdrawn due to accident damage in 2008.

In 2017, six-car set Ao670 was modified to become E233-8500 series set N36 for use on the Nambu Line alongside the fleet of E233-8000 series sets.[3]

Beginning in 2019, toilets are being installed on 58 trains in advance of Green Cars being added to the Chūō Line (and through services to the Ōme Line) in 2023.[4]

On 11 June 2020, a new ten-car set T71 was delivered from J-TREC Yokohama as an additional spare train during toilet installation and Green Car modifications.[5]

Exterior
  • Chūō Line 6-car set Ao665 in July 2013

Interior
  • Chūō Line E233-0 series interior in June 2006
  • Universal design toilet onboard car 4 in March 2020

10-car Chūō Line sets

As of 11 June 2020, 43 ten-car sets (T1-T42 and T71) are based at Toyoda Depot and formed with six motored ("M") cars and four non-powered trailer ("T") cars.[6]

 
← Tōkyō
Ōtsuki, Ōme →
 
Car No.12345678910
Sets with on-board toilet
Designation TcMM'TMM'TMM'Tc'
Numbering KuHa E233MoHa E233MoHa E232SaHa E233-500MoHa E233-200MoHa E232-200SaHa E233MoHa E233-400MoHa E232-400KuHa E232
Capacity (total/seated) 142/39160/54160/54155/48160/54160/54160/54160/54160/54142/39
Sets without on-board toilet
Designation TcMM'MM'TTMM'Tc'
Numbering KuHa E233MoHa E233MoHa E232MoHa E233-200MoHa E232-200SaHa E233-500SaHa E233MoHa E233-400MoHa E232-400KuHa E232
Capacity (total/seated) 142/39160/54160/54160/54160/54160/54160/54160/54160/54142/39
  • MoHa E233-200 and MoHa E233-400 cars each have one PS33D single-arm pantograph, and MoHa E233 cars has two PS33D single-arm pantographs (one used as a backup).
  • Cars 1 and 10 have a wheelchair space (also car 4 in sets equipped with a toilet).
  • Car 4 has a universal design toilet (in sets equipped with a toilet).
  • Car 4 is designated as a mildly air-conditioned car.

6+4-car Chūō Line sets

As of 22 March 2020, 17 6+4-car sets (H43-H59) are based at Toyoda Depot and formed with six motored ("M") cars and four non-powered trailer ("T") cars.[6]

 
← Tōkyō
Ōtsuki, Ōme, Musashi-Itsukaichi, Komagawa →
 
Car No.12345678910
Sets with on-board toilet
Designation TcMM'MM'Tc'TcMM'Tc'
Numbering KuHa E233MoHa E233MoHa E232MoHa E233-800MoHa E232-200KuHa E232-500KuHa E233-500MoHa E233-600MoHa E232-600KuHa E232
Capacity (total/seated) 142/39160/54160/54155/48160/54142/42142/42160/54160/54142/39
Sets without on-board toilet
Designation TcMM'MM'Tc'TcMM'Tc'
Numbering KuHa E233MoHa E233MoHa E232MoHa E233-200MoHa E232-200KuHa E232-500KuHa E233-500MoHa E233-600MoHa E232-600KuHa E232
Capacity (total/seated) 142/39160/54160/54160/54160/54142/42142/42160/54160/54142/39
  • Car 4 has one PS33D single-arm pantograph, and cars 2 and 8 each have two PS33D single-arm pantographs (one used as a backup).
  • Cars 1 and 10 have a wheelchair space (also car 4 in sets equipped with a toilet).
  • Car 4 has a universal design toilet (in sets equipped with a toilet).
  • Car 4 is designated as a mildly air-conditioned car.

6/4-car Ōme Line and Itsukaichi Line sets

As of 1 October 2018, ten six-car sets (Ao660-Ao669) and eight four-car (Ao460-Ao467) sets are based at Toyoda Depot and formed with six motored ("M") cars and four non-powered trailer ("T") cars.[6] Depending on the specific schedule and line, trains are operated in 4-, 6-, or 6+4-car sets.

 
← Tachikawa
Musashi-Itsukaichi, Ōme →
← Tachikawa
Okutama →
 
Car No.12345678910
Designation TcMM'MM'Tc'TcMM'Tc'
Numbering KuHa E233MoHa E233MoHa E232MoHa E233-200MoHa E232-200KuHa E232-500KuHa E233-500MoHa E233-600MoHa E232-600KuHa E232
Capacity (total/seated) 142/39160/54160/54160/54160/54142/42142/42160/54160/54142/39
  • Car 4 has one PS33D single-arm pantograph, and cars 2 and 8 each have two PS33D single-arm pantographs (one used as a backup).
  • Cars 1 and 10 have a wheelchair space.
  • Car 4 is designated as a mildly air-conditioned car.

Future developments

JR East plans to add two bilevel Green (first class) cars to 58 ten-car and six-car E233-0 series EMU sets operated on the Chūō Line (Rapid) (including through service trains to the Ōme Line) from fiscal 2023. The Green cars will be positioned as cars 4 and 5 in the newly formed 12- and 8-car sets.[4]

E233-1000 series
E233-1000 series
Keihin–Tōhoku Line E233-1000 series set 108 in August 2018
ManufacturerJR East Niitsu, Kawasaki Heavy Industries, Tokyu Car
Replaced209 series
Constructed2007–2010
Entered service22 December 2007
Scrapped2016–
Number built830 vehicles (83 sets)
Number in service820 vehicles (82 sets)
Number scrapped10 cars (accident damage)
Formation10 cars per trainset
Fleet numbers101–183
Operator(s)JR East
Depot(s)Saitama
Line(s) servedKeihin–Tōhoku Line, Negishi Line
Specifications
Car body constructionStainless steel
Car length20,000 mm (65 ft 7 in)
Width2,950 mm (9 ft 8 in)
Height3,620 mm (11 ft 11 in)
Floor height1,130 mm (3 ft 8 in)
Doors4 pairs per side
Traction motorsMT75 traction motors
Electric system(s)1,500 V DC overhead catenary
Current collection methodPS33D pantograph
BogiesDT71 (motor), TR255 (trailer)
Track gauge1,067 mm (3 ft 6 in)

A fleet of 83 ten-car E233 series sets was introduced on the Keihin–Tōhoku and Negishi lines from autumn 2007, replacing the 209 series EMUs previously used from 1993 until 2010. The first set was delivered in August 2007. The main difference over the earlier E233-0 series is the absence of passenger door controls.

The first set entered service on 22 December 2007.[7]

Two cars of set 177, KuHa E233-1077 and SaHa E233-1277, were involved in a derailment in February 2014 and were scrapped in December 2016.[8] The remaining eight cars of set 177 were scrapped in April 2018.[9]

Interior
  • Interior of Keihin–Tōhoku Line E233-1000 series in January 2008

Formation

As of April 2018, 82 ten-car sets were based at Saitama depot and formed with six motored ("M") cars and four non-powered trailer ("T") cars.

 
← Ōmiya
Ōfuna →
 
Car No.10987654321
Designation TcTMM'TMM'MM'Tc'
Numbering KuHa E233-1000SaHa E233-1200MoHa E233-1400MoHa E232-1400SaHa E233-1000MoHa E233-1000MoHa E232-1000MoHa E233-1200MoHa E232-1200KuHa E232-1000

E233-2000 series
E233-2000 series
Jōban Line/Tokyo Metro Chiyoda Line E233-2000 series set 10 in April 2019
ManufacturerTokyu Car (sets 1-18)
J-TREC (set 19)
Built atYokohama
Replaced203 series
207-900 series
209-1000 series
Constructed2009–2011; 2017
Entered service9 September 2009
Number built190 vehicles (19 sets)
Number in service190 vehicles (19 sets)
Formation10 cars per trainset
Fleet numbers1–19
Operator(s)JR East
Depot(s)Matsudo
Line(s) servedJōban Line (Local), Tokyo Metro Chiyoda Line, Odakyu Odawara Line, Odakyu Tama Line
Specifications
Car body constructionStainless steel
Car length20,000 mm (65 ft 7 in)
Width2,800 mm (9 ft 2 in)
Doors4 pairs per side
Traction motorsMT75 traction motors
Electric system(s)1,500 V DC overhead catenary
Track gauge1,067 mm (3 ft 6 in)

This is a narrow-bodied variant for Jōban Line and Tokyo Metro Chiyoda Line inter-running services, replacing the 203 series and 207-900 series EMUs previously used.[10] The first ten-car set was delivered to Matsudo Depot from Tokyu Car Corporation in May 2009.[11] It entered service on 9 September 2009.[7] These trains have also been used on inter-running services on Odakyu lines since 2016. In 2017 the last set was delivered (set number 19 built by J-TREC). The trains are fitted with emergency doors in the driver's cabin to allow for the evacuation of passengers in the Chiyoda Line's tunnels.

The floor height is lowered to 1,130 mm (44 in) for improved accessibility, compared to 1,200 mm (47 in) for the earlier 203 series and 1,180 mm (46 in) for the 207-900 series and 209-1000 series trains.[12]

Interior
  • E233-2000 series interior in September 2009
  • Priority seating in November 2010
  • LCD passenger information display above door

Formation

As of 1 April 2017, the fleet consists of 19 ten-car sets, numbered 1 to 19, based at Matsudo Depot, and formed as shown below, with car 1 at the southern end.[13]

 
← Toride, Ayase
Yoyogi-Uehara →
 
Car No.10987654321
Designation TcMM'TMM'TMM'Tc'
Numbering KuHa E233-2000MoHa E233-2400MoHa E232-2400SaHa E233-2200MoHa E233-2000MoHa E232-2000SaHa E233-2000MoHa E233-2200MoHa E232-2200KuHa E232-2000

Cars 3 and 9 are equipped with one single-arm pantograph. Car 6 is equipped with two.[13]

Build details

The delivery dates for the fleet are as shown below.[13]

Set No.ManufacturerDate delivered
1Tokyu Car20 May 2009
2Tokyu Car6 August 2010
3Tokyu Car1 September 2010
4Tokyu Car29 September 2010
5Tokyu Car3 December 2010
6Tokyu Car15 December 2010
7Tokyu Car22 December 2010
8Tokyu Car7 January 2011
9Tokyu Car19 January 2011
10Tokyu Car23 February 2011
11Tokyu Car4 March 2011
12Tokyu Car27 April 2011
13Tokyu Car10 July 2011
14Tokyu Car17 July 2011
15Tokyu Car30 July 2011
16Tokyu Car28 August 2011
17Tokyu Car19 September 2011
18Tokyu Car28 September 2011
19J-TREC (Yokohama)2017[14]

E233-3000 series
E233-3000 series
Kōzu-based E233-3000 series on the Shōnan–Shinjuku Line in September 2019
ManufacturerJR East, Kawasaki Heavy Industries, Tokyu Car Corporation
Replaced211 series
Constructed2007, 2010–2015, 2017
Entered service10 March 2008
Number in service525 vehicles [6]
Formation5/10 cars per trainset
Fleet numbersE-01 to E-17, E-51 to E-67, E-71 to E-74, U618 to U633, U218 to U235
Operator(s)JR East
Depot(s)Kōzu, Oyama
Line(s) servedIto Line, Joetsu Line, Ryōmō Line, Shōnan–Shinjuku Line, Takasaki Line, Tōkaidō Main Line, Utsunomiya Line, Yokosuka Line
Specifications
Car body constructionStainless steel
Car length20,000 mm (65 ft 7 in)
Width2,950 mm (9 ft 8 in)
Doors4 pairs per side
2 doors per side (Green cars)
Maximum speed120 km/h (75 mph)
Traction motorsMT75 traction motors
Acceleration2.5 km/(h⋅s) (1.6 mph/s)
Electric system(s)1,500 V DC overhead catenary
Multiple workingE231-1000 series
Track gauge1,067 mm (3 ft 6 in)

The E233-3000 sub-series are outer-suburban sets formed as ten-car sets containing two bilevel Green (first-class) cars and five-car sets. Sets are allocated to Kōzu and Oyama depots for use on Tōkaidō Main Line services between Tokyo and Numazu, as well as Shōnan–Shinjuku Line and Ueno–Tokyo Line through services to and from the Takasaki Line and Utsunomiya Line.[6] The first sets entered service on 10 March 2008,[6] and were introduced to the Shōnan–Shinjuku Line from the start of the new timetable on 14 March 2015.[15]

Exterior
  • Takasaki-based set L06 in October 2012
  • Bilevel Green car SaRo E232-3005 in January 2012
  • Bilevel Green car SaRo E233-3005 in January 2012

Early 10-car sets

As of 1 October 2018, 2 ten-car sets (E-01 and E-02) are based at Kōzu depot in Kanagawa Prefecture and formed as shown below with six motored ("M") cars and four non-powered trailer ("T") cars.[6]

 
← Kuroiso, Maebashi
Zushi, Itō, Numazu →
 
 
Car No.10987654321
Designation TcMM'MM'TsdTsd'MM'Tc'
Numbering KuHa E233-3000MoHa E233-3200MoHa E232-3200MoHa E233-3000MoHa E232-3000SaRo E233-3000SaRo E232-3000MoHa E233-3400MoHa E232-3400KuHa E232-3000
Capacity (total/seated) 135/40161/60160/54160/54160/5490/9090/90160/54161/60135/40
  • Cars 3 and 9 each have one single-arm pantograph, and car 7 has two (one used as a backup).[6]
  • Cars 1 and 10 have a wheelchair space.[6]
  • Cars 1, 5, and 10 each have a toilet (universal design in cars 1 and 10).[6]
  • Car 8 is designated as a mildly air-conditioned car.[6]
  • Cars 4 and 5 are bilevel Green Cars.[6]

Standard 10-car sets

As of 1 October 2018, 15 ten-car sets (E-03 to E-17) are based at Kōzu depot in Kanagawa Prefecture and 16 ten-car sets (U618 to U633) are based at Oyama depot in Tochigi Prefecture. They are formed as shown below with six motored ("M") cars and four non-powered trailer ("T") cars.[6]

 
← Kuroiso, Maebashi
Zushi, Itō, Numazu →
 
 
Car No.10987654321
Designation TcMM'MM'TsdTsd'MM'Tc'
Numbering KuHa E233-3000MoHa E233-3200MoHa E232-3000MoHa E233-3400MoHa E232-3800SaRo E233-3000SaRo E232-3000MoHa E233-3000MoHa E232-3400KuHa E232-3000
Capacity (total/seated) 135/40161/60160/54160/54156/5090/9090/90160/54161/60135/40
  • Cars 7 and 9 each have one single-arm pantograph, and car 3 has two (one used as a backup).[6]
  • Cars 1 and 10 have a wheelchair space.[6]
  • Cars 1, 5, 6, and 10 each have a toilet (universal design in cars 1 and 10).[6]
  • Car 8 is designated as a mildly air-conditioned car.[6]
  • Cars 4 and 5 are bilevel Green Cars.[6]

5-car sets

As of 1 October 2018, 21 five-car sets (E-51 to E-67, E-71 to E-74) are based at Kōzu depot in Kanagawa Prefecture and 18 five-car sets (U218 to U235) are based at Oyama depot in Tochigi Prefecture. They are formed as shown below with two motored ("M") cars and three non-powered trailer ("T") cars.[6]

 
← Kuroiso, Kagohara
Zushi, Numazu →
 
 
Car No.1514131211
Designation TcTMM'Tc'
Numbering KuHa E233-3500SaHa E233-3000MoHa E233-3600MoHa E232-3600KuHa E232-3500
Capacity (total/seated) 143/43161/60160/54160/54135/36
  • Car 13 has two single-arm pantographs (one used as a backup).[6]
  • Cars 11 and 15 have a wheelchair space.[6]
  • Car 11 has a universal design toilet.[6]

Interior

Standard-class cars have longitudinal seating with dark blue moquette seat covers. Cars 1, 2, 9, 10, 14, and 15 include transverse four-person seating bays. The two Green (first class) bilevel cars (cars 4 and 5) have rotating, reclining seats arranged 2+2 abreast. Seats on the lower deck and end saloons have crimson moquette seat covers, and seats on the upper deck have dark blue moquette.[16]

  • Upper deck of bilevel Green car in January 2012
  • Intermediate level saloon at the end of a bilevel Green car in January 2012
  • Lower deck of bilevel Green car in January 2012
  • E233-3000 series longitudinal seating in August 2009
  • E233-3000 series transverse seating in August 2009
  • Internal passenger information LED screen in March 2008

The first 10+5-car E233-3000 series outer suburban set (E01 + E51) for use on the Tōkaidō Main Line was delivered from the Tokyu Car factory in Yokohama to Kōzu Depot in November 2007. This includes two bilevel Green cars.[17] It entered revenue service on 10 March 2008, and was initially limited to use on the Tōkaidō Main Line between Tokyo and Atami.[18] The second set (10+5-car set E02 + E52) was delivered in February 2010.[19]

Subsequent sets (originally numbered NT1 + NT51 onward) were delivered to Tamachi Depot from September 2011, entering service from 12 November 2011.[20] These sets incorporate a number of minor changes, including moving the second reserve pantograph from car 7 to car 3, and the addition of a toilet in car 6.[21]

Takasaki-based ten- and five-car sets were introduced on Takasaki Line services between Ueno and Maebashi, replacing 211 series sets, and on Ryōmō Line services from 1 September 2012.[22]

E233-5000 series
E233-5000 series
A ten-car E233-5000 series Keiyō Line set in January 2019
ManufacturerJR East
Built atNiitsu
Replaced201 series, 205 series, E331 series
Constructed2010–2011
Entered service1 July 2010
Number built240 vehicles (28 sets)
Number in service240 vehicles (28 sets)
Formation4, 6, 10 cars per trainset
Fleet numbers501–520, 551–554, F51–F54
Operator(s)JR East
Depot(s)Keiyō
Line(s) servedKeiyō Line, Uchibō Line, Sotobō Line, Tōgane Line
Specifications
Car body constructionStainless steel
Car length20,000 mm (65 ft 7 in)
Width2,950 mm (9 ft 8 in)
Height3,620 mm (11 ft 11 in)
Doors4 pairs per side
Traction motorsMT75 traction motors
Electric system(s)1,500 V DC overhead catenary
Track gauge1,067 mm (3 ft 6 in)

These are 10-car and 4+6-car sets for use on the Keiyō Line. The fleet consists of 20 ten-car sets and four 4+6-car sets, with the first sets entering revenue service on 1 July 2010, replacing the 201 series, 205 series, and E331 series EMUs previously used.[23]

The first E233-5000 series set, set 501, was delivered from JR East's Niitsu factory on 10 March 2010.[24] In addition to services on the Keiyō Line between Tokyo and Soga, these sets are also used on Sotobō Line through services between Soga and Katsuura, Uchibō Line through services between Soga and Kazusa-Minato, and on Tōgane Line through services between Ōami and Narutō.[25]

10-car sets

As of 1 October 2018, 20 ten-car sets are based at Keiyō Depot and formed with six motored ("M") cars and four non-powered trailer ("T") cars.

 
← Kazusa-Minato, Kazusa-Ichinomiya, Kimitsu, Soga
Tōkyō →
 
Car No.10987654321
Designation TcMM'TTMM'MM'Tc'
Numbering KuHa E233-5000MoHa E233-5400MoHa E232-5400SaHa E233-5000SaHa E233-5500MoHa E233-5000MoHa E232-5000MoHa E233-5200MoHa E232-5200KuHa E232-5000
Capacity (total/seated) 142/39160/54160/54160/54160/54160/54160/54160/54160/54142/39
  • Cars 3 and 9 each have one PS33D single-arm pantograph, and car 5 has two PS33D single-arm pantographs (one used as a backup).
  • Cars 1 and 10 have a wheelchair space.
  • Car 4 is designated as a mildly air-conditioned car.

6+4-car sets

As of 1 October 2018, four 6+4-car sets are based at Keiyō Depot and formed with six motored ("M") cars and four non-powered trailer ("T") cars.

 
← Katsuura, Narutō, Soga
Tōkyō →
 
Car No.10987654321
Designation TcMM'Tc'TcMM'MM'Tc'
Numbering KuHa E233-5000MoHa E233-5600MoHa E232-5600KuHa E232-5500KuHa E233-5500MoHa E233-5000MoHa E232-5000MoHa E233-5200MoHa E232-5200KuHa E232-5000
Capacity (total/seated) 142/39160/54160/54142/42142/42160/54160/54160/54160/54142/39
  • Car 3 has one PS33D single-arm pantograph, and cars 5 and 9 each have two PS33D single-arm pantographs (one used as a backup).
  • Cars 1 and 10 have a wheelchair space.
  • Car 4 is designated as a mildly air-conditioned car.

Interior
  • Interior view
  • Passenger information screens

E233-6000 series
E233-6000 series
Yokohama Line E233-6000 series set H006 in August 2019
ManufacturerJ-TREC
Built atNiitsu, Yokohama
Replaced205 series
Constructed2013–2014
Entered service16 February 2014
Number built224 vehicles (28 sets)
Number in service224 vehicles (28 sets)
Formation8 cars per trainset
Fleet numbersH001–H028
Operator(s)JR East
Depot(s)Kamakura
Line(s) servedYokohama Line, Negishi Line
Specifications
Car body constructionStainless steel
Car length20,000 mm (65 ft 7 in)
Width2,950 mm (9 ft 8 in)
Height3,620 mm (11 ft 11 in)
Floor height1,130 mm (3 ft 8 in)
Doors4 pairs per side
Maximum speed95 km/h (60 mph) (service)
120 km/h (75 mph) (design)
Traction motorsMT75 traction motors
Electric system(s)1,500 V DC overhead catenary
Current collection methodPS33D pantograph
BogiesDT71 (motor), TR255 (trailer)
Safety system(s)D-ATC, ATS-P
Track gauge1,067 mm (3 ft 6 in)

These are eight-car sets operated in the Yokohama Line since 16 February 2014.[26] As with the earlier Saikyo Line E233-7000 series variant, the new trains use LED interior lighting.[27]

A total of 28 sets were delivered. The first E233-6000 series set, H016, was delivered from the J-TREC Yokohama factory in January 2014.[28] The first set built at the J-TREC Niitsu factory, set H001, was delivered on 22 January 2014.[29]

Interior

Passenger accommodation consists of longitudinal bench seating with individual seat widths of 460 mm (18 in)[27] Each car has priority seating at one end, and cars 1 and 8 have a wheelchair space.[30]

  • LCD passenger information screens above the doorways

Formation

As of September 2014, 28 8-car sets are based at Kamakura depot are formed with four motored ("M") cars and four non-powered trailer ("T") cars.[30]

 
← Hachiōji
Higashi-Kanagawa, Ōfuna →
 
 
Car No.87654321
Designation TcMM'TMM'TTc'
Numbering KuHa E233-6000MoHa E233-6400MoHa E232-6400SaHa E233-6000MoHa E233-6000MoHa E232-6000SaHa E233-6200KuHa E232-6000
Weight (t) 30.132.232.328.832.232.328.530.2
Capacity (total/seated) 142/39160/54160/54160/54160/54160/54160/54142/39

Car 4 has two single-arm PS33D pantographs (one reserve), and car 7 has one.[30]

Build details

The build details for the fleet are as shown below.[31]

Set No.ManufacturerDate delivered
H001J-TREC, Niitsu17 January 2014
H002J-TREC, Niitsu24 January 2014
H003J-TREC, Niitsu5 February 2014
H004J-TREC, Niitsu18 February 2014
H005J-TREC, Niitsu28 February 2014
H006J-TREC, Niitsu11 March 2014
H007J-TREC, Niitsu24 March 2014
H008J-TREC, Niitsu8 April 2014
H009J-TREC, Niitsu24 April 2014
H010J-TREC, Niitsu12 May 2014
H011J-TREC, Niitsu30 May 2014
H012J-TREC, Niitsu6 June 2014
H013J-TREC, Niitsu13 June 2014
H014J-TREC, Niitsu1 July 2014
H015J-TREC, Niitsu10 July 2014
H016J-TREC, Yokohama8 January 2014
H017J-TREC, Yokohama15 January 2014
H018J-TREC, Yokohama8 February 2014
H019J-TREC, Yokohama19 February 2014
H020J-TREC, Yokohama14 March 2014
H021J-TREC, Yokohama26 March 2014
H022J-TREC, Yokohama15 April 2014
H023J-TREC, Yokohama2 May 2014
H024J-TREC, Yokohama14 May 2014
H025J-TREC, Yokohama17 June 2014
H026J-TREC, Yokohama4 July 2014
H027J-TREC, Yokohama6 August 2014
H028J-TREC, Yokohama20 August 2014

E233-7000 series
E233-7000 series
Saikyo Line E233-7000 series set 138 in January 2020
ManufacturerJR East, J-TREC
Built atNiitsu, Yokohama
Replaced205 series
Constructed2013–2014, 2019
Entered service30 June 2013
Number built380 vehicles (38 sets)
Number in service380 vehicles (38 sets)
Formation10 cars per trainset
Fleet numbers101–138
Operator(s)JR East
Depot(s)Kawagoe
Line(s) servedSaikyō Line, Kawagoe Line, Rinkai Line, Sōtetsu Shin-Yokohama Line, Sōtetsu Main Line
Specifications
Car body constructionStainless steel
Car length20,000 mm (65 ft 7 in)
Width2,950 mm (9 ft 8 in)
Height3,620 mm (11 ft 11 in)
Floor height1,130 mm (3 ft 8 in)
Doors4 pairs per side
Maximum speedService: 100 km/h (60 mph)
Design: 120 km/h (75 mph)
Traction motorsMT75 traction motors
Acceleration2.5 km/(h⋅s) (1.6 mph/s)(some train sets at 3 km/(h⋅s) (1.9 mph/s))
Deceleration5.0 km/(h⋅s) (3.1 mph/s)
Electric system(s)1,500 V DC overhead catenary
Current collection methodPS33D single-arm pantographs
BogiesDT71 (motored), TR255 (trailer)
Safety system(s)ATACS,ATC6, ATS-P, ATS-Ps
Track gauge1,067 mm (3 ft 6 in)

These are ten-car sets operated on Kawagoe Line/Saikyō Line/Rinkai Line services between Kawagoe and Shin-Kiba since 30 June 2013. A total of 31 ten-car sets were delivered, displacing the fleet of 205 series EMUs previously used.[27][32] These trains are the first E233 series variant to use LED interior lighting.[27]

Seven more sets were delivered in 2019, in preparation for through running services between the Saikyō Line and the Sōtetsu Main Line via the new Sōtetsu Shin-Yokohama Line, bringing the total number of trains to 38 ten-car sets.

Interior

Passenger accommodation consists of longitudinal bench seating with individual seat widths of 460 mm (18 in).[27]

  • Interior of Kuha E232-7008 in July 2013
  • Priority seating
  • A ceiling-mounted security camera in car 1
  • LCD passenger information screens above the doorways

Formation

As of 1 January 2020, 38 ten-car sets are based at Kawagoe Depot and formed with six motored ("M") cars and four non-powered trailer ("T") cars.[7][33]

 
← Ebina, Hazawa yokohama-kokudai, Shin-Kiba, Ōsaki
Ōmiya, Kawagoe →
 
Car No.10987654321
Designation TcMM'TTMM'MM'Tc'
Numbering KuHa E233-7000MoHa E233-7400MoHa E232-7400SaHa E233-7200SaHa E233-7000MoHa E233-7000MoHa E232-7000MoHa E233-7200MoHa E232-7200KuHa E232-7000
Capacity (total/seated) 142/39160/54160/54160/54160/54160/54160/54160/54160/54142/39
  • Cars 3 and 9 each have one PS33D single-arm pantograph, and car 5 has two PS33D single-arm pantographs (one used as a backup).[33]
  • Cars 1 and 10 have a wheelchair space.
  • Car 9 is designated as a mildly air-conditioned car.

History

The first E233-7000 series set (number 101) was delivered to Kawagoe Depot from JR East's Niitsu factory on 9 April 2013.[34] The first set built by J-TREC (set number 122) was delivered from the manufacturer's Yokohama factory in July 2013.[35]

E233-8000 series
E233-8000 series
E233-8000 series set N1 undergoing test running on the Nambu Line
ManufacturerJ-TREC
Built atNiitsu
Replaced205 series, 209 series
Constructed2014–2015
Entered service4 October 2014
Number built210 vehicles (35 sets)
Number in service210 vehicles (35 sets)
Formation6 cars per trainset
Fleet numbersN1–N35
Operator(s)JR East
Depot(s)Nakahara
Line(s) servedNambu Line
Specifications
Car body constructionStainless steel
Car length20,000 mm (65 ft 7 in)
Width2,950 mm (9 ft 8 in)
Height3,620 mm (11 ft 11 in)
Doors4 pairs per side
Maximum speed120 km/h (75 mph)
Traction motorsMT75 traction motors
Acceleration2.5 km/(h⋅s) (1.6 mph/s)
Deceleration4.2 km/(h⋅s) (2.6 mph/s)
Electric system(s)1,500 V DC overhead catenary
Current collection methodPS33D single-arm pantographs
BogiesDT71 (motored), TR255 (trailer)
Safety system(s)ATS-P, ATS-SN
Track gauge1,067 mm (3 ft 6 in)

These are six-car sets introduced on Nambu Line services between Kawasaki and Tachikawa from 4 October 2014.[36] A total of 35 E233-8000 series sets (210 vehicles) are on order, displacing the previous fleet of 205 series and older 209 series EMUs.[36]

Interior

Passenger accommodation consists of longitudinal bench seating throughout, with wheelchair spaces in cars 1 and 6.[36] As with the earlier Yokohama Line E233-6000 series and Saikyo Line E233-7000 series variants, the trains use LED interior lighting.[36]

  • A view of the interior in March 2015
  • LCD passenger information panel above the doorway

Formation

As of 2015, 35 six-car sets are based at Nakahara depot and formed with four motored ("M") cars and two non-powered trailer ("Tc") cars.[36]

 
← Kawasaki
Tachikawa →
 
 
 
Car No.123456
Designation TcMM'MM'Tc'
Numbering KuHa E233-8000MoHa E233-8000MoHa E232-8000MoHa E233-8200MoHa E232-8200KuHa E232-8000
Weight (t) 30.8[Note 1]32.331.731.628.630.8[Note 1]
Capacity (total/seated) 142/39160/54160/54160/54160/54142/39
Notes
  1. 31.0 t for cars fitted with rail greasing system.
  • Car 4 has one PS33D single-arm pantograph, and car 2 has two single-arm pantographs (one used as a backup).[36]
  • Cars 1 and 6 have a wheelchair space.
  • Car 4 is designated as a mildly air-conditioned car.

History

The first set, N1 was delivered from the J-TREC factory in Niitsu in August 2014.[37] It entered revenue service from 4 October 2014.[36]

Build details

The delivery dates for the fleet are as shown below.[38]

Set No.ManufacturerDate delivered
N1J-TREC, Niitsu31 July 2014
N2J-TREC, Niitsu8 August 2014
N3J-TREC, Niitsu22 August 2014
N4J-TREC, Niitsu2 September 2014
N5J-TREC, Niitsu12 September 2014
N6J-TREC, Niitsu3 October 2014
N7J-TREC, Niitsu16 October 2014
N8J-TREC, Niitsu30 October 2014
N9J-TREC, Niitsu14 November 2014
N10J-TREC, Niitsu2 December 2014
N11J-TREC, Niitsu24 December 2014
N12J-TREC, Niitsu6 January 2015
N13J-TREC, Niitsu21 January 2015
N14J-TREC, Niitsu6 March 2015
N15J-TREC, Niitsu16 March 2015
N16J-TREC, Niitsu30 March 2015
N17J-TREC, Niitsu13 April 2015
N18J-TREC, Niitsu27 April 2015
N19J-TREC, Niitsu14 May 2015
N20J-TREC, Niitsu28 May 2015
N21J-TREC, Niitsu11 June 2015
N22J-TREC, Niitsu25 June 2015
N23J-TREC, Niitsu9 July 2015
N24J-TREC, Niitsu27 July 2015
N25J-TREC, Niitsu11 August 2015
N26J-TREC, Niitsu25 August 2015
N27J-TREC, Niitsu7 September 2015
N28J-TREC, Niitsu18 September 2015
N29J-TREC, Niitsu2 October 2015
N30J-TREC, Niitsu20 October 2015
N31J-TREC, Niitsu4 November 2015
N32J-TREC, Niitsu16 November 2015
N33J-TREC, Niitsu26 November 2015
N34J-TREC, Niitsu10 December 2015
N35J-TREC, Niitsu17 December 2015

E233-8500 series
E233-8500 series
E233-8500 series set N36 in January 2019
Replaced209-2200 series
Constructed2008
Entered service15 March 2017
Refurbished2017
Number built6 vehicles (1 set)
Number in service6 vehicles (1 set)
Formation6 cars per trainset
Fleet numbersN36
Operator(s)JR East
Depot(s)Nakahara
Line(s) servedNambu Line
Specifications
Car body constructionStainless steel
Car length20,000 mm (65 ft 7 in)
Width2,950 mm (9 ft 8 in)
Height3,620 mm (11 ft 11 in)
Doors4 pairs per side
Maximum speed120 km/h (75 mph)
Traction motorsMT75 traction motors
Acceleration2.5 km/(h⋅s) (1.6 mph/s)
Deceleration4.2 km/(h⋅s) (2.6 mph/s)
Electric system(s)1,500 V DC overhead catenary
Safety system(s)ATS-P, ATS-SN
Track gauge1,067 mm (3 ft 6 in)

In 2017, six-car Itsukaichi Line/Ōme Line set Ao670 was modified and renumbered at Omiya Works to become E233-8500 series set N36 for use on the Nambu Line alongside the fleet of E233-8000 series sets and replacing the last remaining 209 series EMU still in use there.[3] In addition to receiving the Nambu Line livery carried by the E233-8000 series fleet, modifications included adding a WiMAX antenna and replacing the original 15-inch LCD passenger display screens with 17-inch screens.[3] Set N36 entered service on the Nambu Line on 15 March 2017.[39]

Formation

As of March 2017, 1 six-car set is based at Nakahara depot and formed with four motored ("M") cars and two non-powered trailer ("Tc") cars.

 
← Kawasaki
Tachikawa →
 
 
 
Car No.123456
Designation TcMM'MM'Tc'
Numbering KuHa E233-8500MoHa E233-8500MoHa E232-8500MoHa E233-8700MoHa E232-8700KuHa E232-8500
Capacity (total/seated) 142/39160/54160/54160/54160/54142/42
  • Car 4 has one PS33D single-arm pantograph, and car 2 has two single-arm pantographs (one used as a backup).
  • Car 1 has a wheelchair space.
  • Car 4 is designated as a mildly air-conditioned car.

Accidents

Keihin–Tōhoku Line E233-1000 series set 177 was derailed in a collision with a track maintenance vehicle in the early hours of 23 February 2014 near Kawasaki Station while on an empty stock train operating from Sakuragicho to Kamata.[40][41] The first two cars of the ten-car train derailed, with the first car ending up on its side.[42] The train was carrying no passengers, and the driver and conductor escaped with minor injuries.[43] The two derailed cars from the set involved, KuHa E233-1077 and SaHa E233-1277, were formally withdrawn in December 2016.[8]

E233 series derivatives

References
  1. JR East press release. (6 March 2007). Retrieved on 15 October 2008. (in Japanese)
  2. "Tetsudō Daiya Jōhō" magazine May 2008 issue, p53
  3. E233系8500番台N36編成が大宮総合車両センターから出場 [E233-8500 series set N36 outshopped from Omiya Works]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 14 February 2017. Archived from the original on 14 February 2017. Retrieved 14 February 2017.
  4. 中央快速線等へのグリーン車サービス開始時期および車内トイレの設置について [Introduction of Green cars and Installation of On-board Toilets on Chūō Rapid and other lines] (PDF). News release (in Japanese). Japan: East Japan Railway Company. 3 April 2018. Retrieved 22 March 2020.
  5. "【速報】12年ぶりの新車E233系0番台T71編成がついに出場 トイレは付いておらずグリーン車も非対応か 京葉線転属疑惑やスジ流出も". 11 June 2020.
  6. JR電車編成表 2019冬 [JR EMU Formations - Winter 2019]. Japan: Kotsu Shimbunsha. 14 November 2018. ISBN 978-4-330-93218-7.
  7. JR電車編成表 2013夏 [JR EMU Formations - Summer 2013]. Japan: Kotsu Shimbunsha. May 2013. p. 72. ISBN 978-4-330-37313-3.
  8. JR車両のうごき [JR rolling stock changes]. Tetsudo Daiya Joho Magazine (in Japanese). Vol. 46 no. 395. Japan: Kotsu Shimbun. March 2017. p. 128.
  9. "E233系さいたま車両センター編成表（最新版）". Retrieved 6 September 2018.
  10. "Japan Railfan Magazine" March 2008 issue, p73
  11. Rail Hobidas.com "常磐緩行線用E233系の第1編成が落成" (First Jōban Line E233 series set delivered), (19 May 2009). Retrieved on 20 May 2009. (in Japanese)
  12. E233系2000番台 (E233-2000 series). Japan Railfan Magazine. Vol. 49 no. 580. Japan: Koyusha Co., Ltd. August 2009. pp. 68–72.
  13. JR電車編成表 2012夏 [JR EMU Formations - Summer 2012]. Japan: Kotsu Shimbunsha. May 2012. p. 71. ISBN 978-4-330-28612-9.
  14. E233系2000番台マト19編成が登場 [E233-2000 series set Mato19 delivered]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 31 March 2017. Archived from the original on 4 April 2017. Retrieved 4 April 2017.
  15. Ueshin, Daisuke (19 March 2015). E233系、ダイヤ改正で湘南新宿ラインにも登場 [E233 series also appear on Shōnan–Shinjuku Line from timetable revision]. Mynavi News (in Japanese). Japan: Mynavi Corporation. Archived from the original on 1 April 2016. Retrieved 3 October 2016.
  16. JR東日本　E233系3000番代一般型直流電車（田町車／東海道本線用第３編成以降） [JR East E233-3000 series DC EMU (Tamachi Depot: Tōkaidō Main Line set 3 onward)]. Tetsudō Daiya Jōhō Magazine. Vol. 41 no. 334. Japan: Kotsu Shimbun. February 2012. pp. 84–85.
  17. "Tetsudō Daiya Jōhō" magazine January 2008 issue
  18. E233系3000番台，営業運転を開始 [E233-3000 series enters revenue service]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 10 March 2008. Retrieved 19 February 2010.
  19. E233系3000番台E02+E52編成が出場 [E233-3000 series sets E02+E52 delivered]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 18 February 2010. Retrieved 19 February 2010.
  20. JR東日本　Ｅ２３３系３０００番代田町車が営業運転を開始 [JR East E233-3000 series Tamachi sets enter revenue service]. Tetsudō Daiya Jōhō Magazine. Vol. 41 no. 333. Japan: Kōtsū Shimbun. 2011. p. 70.
  21. E233系3000番台　増備車 [E233-3000 series additional cars]. Japan Railfan Magazine. Vol. 52 no. 610. Japan: Koyusha Co., Ltd. February 2012. pp. 54–55.
  22. JR東日本　高崎線・両毛線　E233系3000番代営業運転開始 [JR East E233-3000 series enter revenue service on Takasaki and Ryōmō Lines]. Tetsudō Daiya Jōhō Magazine. Vol. 41 no. 343. Japan: Kōtsū Shimbun. November 2012. p. 78.
  23. JR電車編成表 2014夏 [JR EMU Formations - Summer 2014]. Japan: Kotsu Shimbunsha. 30 May 2014. pp. 46, 87. ISBN 978-4-330-46614-9.
  24. Rail Hobidas.com "E233系5000番代（ケヨ501編成）　配給輸送" (E233-5000 series set 501 delivered), (10 March 2010). Retrieved on 10 March 2010. (in Japanese)
  25. E233系5000番台 (E233-5000 series). Japan Railfan Magazine. Vol. 50 no. 589. Japan: Kōyūsha. May 2010. p. 78.
  26. E233系6000番台が営業運転を開始 [E233-6000 series enter revenue service]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 17 February 2014. Retrieved 17 February 2014.
  27. 秋田新幹線用車両と埼京線・横浜線用車両の新造について [Akita Shinkansen, Saikyo Line, and Yokohama Line new train details] (PDF) (in Japanese). East Japan Railway Company. 10 April 2012. Retrieved 10 April 2012.
  28. 横浜線用E233系6000番代H016編成 J-TREC出場 [Yokohama Line E233-6000 series set H016 delivered from J-TREC]. RM News (in Japanese). Japan: Neko Publishing Ltd. 8 January 2014. Retrieved 8 January 2014.
  29. E233系6000番台H001編成が配給輸送される [E233-6000 series set H001 delivered from]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 23 January 2014. Retrieved 23 January 2014.
  30. Yamada (May 2014). E233系6000番台 [E233-6000 series]. Japan Railfan Magazine (in Japanese). Vol. 54 no. 637. Japan: Koyusha Co., Ltd. pp. 48–51.
  31. JR電車編成表 2016冬 [JR EMU Formations - Winter 2016] (in Japanese). Japan: Kotsu Shimbunsha. 18 November 2015. pp. 90–91. ISBN 978-4-330-62315-3.
  32. 新型車両で快適に　埼京・川越線、３０日から導入 [Comfortable new trains to be introduced on Saikyo/Kawagoe Line from 30th] (in Japanese). Japan: The Saitama Shimbun. 7 June 2013. Archived from the original on 9 June 2013. Retrieved 7 June 2013.
  33. Goto, Fuzuki (September 2013). E233系7000番台 [E233-7000 series]. Japan Railfan Magazine (in Japanese). Vol. 53 no. 629. Japan: Koyusha Co., Ltd. pp. 54–59.
  34. E233系7000番代配給輸送～試運転実施 [E233-7000 series delivery and test run]. RM News (in Japanese). Japan: Neko Publishing. 10 April 2013. Retrieved 10 April 2013.
  35. "E233系7000番台が総合車両製作所から出場" [E233-7000 series delivered from J-TREC]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 19 July 2013. Retrieved 19 July 2013.
  36. E233系8000番台 [E233-8000 series]. Japan Railfan Magazine (in Japanese). Vol. 54 no. 644. Japan: Koyusha Co., Ltd. December 2014. pp. 54–57.
  37. 南武線向けE233系8000番台N1編成が配給輸送される [Nambu Line E233-8000 series set N1 delivered]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 7 August 2014. Retrieved 8 August 2014.
  38. Jr電車編成表 JR電車編成表 2017冬 [JR EMU Formations - Winter 2017] (in Japanese). Japan: Kotsu Shimbunsha. 16 November 2016. p. 61, 82–83, 92, 408. ISBN 978-4-330-73716-4.
  39. 南武線でE233系N36編成が営業運転を開始 [E233 series set N36 enters revenue service on Nambu Line]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 16 March 2017. Archived from the original on 16 March 2017. Retrieved 16 March 2017.
  40. 東日本旅客鉄道株式会社 京浜東北線 列車脱線事故 [East Japan Railway Company Keihin–Tōhoku Line Train Derailment Accident] (PDF) (in Japanese). Japan: Japan Transport Safety Board. April 2015. Archived (PDF) from the original on 17 February 2017. Retrieved 17 February 2017.
  41. 京浜東北線事故:１両目が横転　蒲田−鶴見間始発から不通 [Keihin–Tōhoku Line accident: 1st car overturned, line closed between Kamata and Tsurumi]. Mainichi Shimbun (in Japanese). Japan: The Mainichi Newspapers. 23 February 2014. Archived from the original on 24 February 2014. Retrieved 24 February 2014.
  42. "JR East train derails near Kawasaki". The Japan Times Online. 23 February 2014. Retrieved 24 February 2014.
  43. JR京浜東北線横転事故　運輸安全委の調査官らが原因を調査 [Keihin–Tōhoku Line accident: Transport Safety Board investigators start investigation]. FNN (in Japanese). Japan: Fuji News Network. 23 February 2014. Archived from the original on 24 February 2014. Retrieved 24 February 2014.

Further reading
  • 首都圏新系列車両 Profile: 209/E231/E233系グループの全貌 首都圏新系列車両PROFILE [Tokyo Area New-generation Rolling Stock Profile]. Japan: Ikaros Publishing. 15 April 2011. ISBN 978-4-86320-436-2.
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