Seibu Ikebukuro Line

Seibu Ikebukuro Line

Seibu 2000 series near Ikebukuro Station, June 2008
Overview
Native name 西武池袋線
Locale Kanto region
Termini Ikebukuro
Agano
Stations 31
Daily ridership 892,025 (2010)[1]
Operation
Opened 15 April 1915
Owner Seibu Railway
Depot(s) Kotesashi
Technical
Line length 57.8 km (35.9 mi)
Track gauge 1,067 mm (3 ft 6 in)
Minimum radius 200 m
Electrification 1,500 V DC, overhead catenary
Operating speed 120 km/h (75 mph)[2]

The Seibu Ikebukuro Line (西武池袋線 Seibu Ikebukuro-sen) is a railway line of the Japanese private railway operator Seibu Railway. It originates at Ikebukuro Station, a large railway junction in north-western Tokyo, extending to northwest suburbs as far as Tokorozawa, Saitama, and nominally terminates at Agano Station.

The Seibu Chichibu Line from Agano to Seibu Chichibu Station is an extension. The operation is largely divided into two sections: from Ikebukuro to Hannō Station and from Hannō to Seibu Chichibu Station.

Branch lines

The Ikebukuro Line has three branches with through operation, apart from the Seibu Chichibu Line.

Toshima Line
1.0 km length, with Local trains through from Ikebukuro.
Seibu Yūrakuchō Line
The bypass to Tokyo Metro Yūrakuchō Line, with Semi Expresses and Rapids from Hannō to Shin-Kiba Station, with Locals.
Seibu Sayama Line
Through trains are operated daily during off-peak hours. Special Limited Express "Dome" services are occasionally operated for baseball games of the Saitama Seibu Lions.[3][4]

Line data

Tracks:

Service pattern

Abbreviations here are for the table below, not formally used.

     Local (各停 Kakutei)
Stops at all stations. The longest operations are Ikebukuro to Hannō, through to Seibu Kyūjō-mae on Sayama Line, through to Toshimaen on Toshima Line. Also through from Tokyo Metro Yūrakuchō Line to Kotesashi. Major sections of service are from: Ikebukuro to Toshima-en and Hōya; from Shin-Kiba on Tokyo Metro Yūrakuchō Line to Hōya, Kiyose and Kotesashi and from Motomachi-Chūkagai on the Minatomirai Line to Shakujii-kōen and Hōya.[6][7]
     Semi-Express (準急 Junkyū) (SE)
Operated all day. Longest from Ikebukuro to Hannō and Seibu Kyūjō-mae. Through from Yūrakuchō Line to Hannō.
     Commuter Semi-Express (通勤準急 Tsūkin Junkyū) (CSE)
Morning hours only, one direction up from Kotesashi to Ikebukuro.[8]
     Rapid (快速 Kaisoku) (Ra)
Morning and evening hours to/from Ikebukuro, daytime through to Yūrakuchō Line. Longest to Hannō (seasonally one service a day to Seibu Chichibu) and Seibu Kyūjō-mae.
     Commuter Express (通勤急行 Tsūkin Kyūkō) (CE)
Morning hours only, one direction up from Hannō to Ikebukuro.
     Express (急行 Kyūkō) (Ex)
All day operation, from Ikebukuro to Hannō.
     Rapid Express (快速急行 Kaisoku Kyūkō) (RE)
Morning rush hour from Hannō to Ikebukuro, daytime to and from Hannō to Motomachi-Chūkagai via the Tokyo Metro Fukutoshin Line, Tōkyū Tōyoko Line and Minatomirai Lines. On holidays some services continue through to Chichibu Railway up to Mitsumineguchi and Nagatoro.[9]
     Limited Express (特急 Tokkyū) (LE)
Ikebukuro to Seibu Chichibu, trains named Chichibu (ちちぶ), Musashi (むさし), with supplementary limited express charge.

Stations

Hannō Station, August 2009

Local services are not shown.

No. Station Japanese Distance (km) SE CSE Ra CE Ex RE LE Transfers Location
Seibu Ikebukuro Line
SI01 Ikebukuro 池袋 0.0 O O O O O O O Shonan-Shinjuku Line
Saikyo Line
Yamanote Line
Tobu Tojo Line
Tokyo Metro Marunouchi Line
Tokyo Metro Yurakucho Line
Tokyo Metro Fukutoshin Line		 Toshima Tokyo
SI02 Shiinamachi 椎名町 1.9 | ↑ | ↑ | | |  
SI03 Higashi-Nagasaki 東長崎 3.1 | ↑ | ↑ | | |
SI04 Ekoda 江古田 4.3 | ↑ | ↑ | | | Nerima
SI05 Sakuradai 桜台 5.2 | ↑ | ↑ | | |
Seibu Yurakucho Line
SI37 Kotake-Mukaihara 小竹向原 - O   O     O   Tokyo Metro Yurakucho Line
Tokyo Metro Fukutoshin Line		 Nerima Tokyo
SI38 Shin-Sakuradai 新桜台 - O O O  
Seibu Ikebukuro Line
SI06 Nerima 練馬 6.0 O O O ↑ | * | Toei Oedo Line Nerima Tokyo
Seibu Toshima Line
SI39 Toshimaen 豊島園 7.0                 Nerima Tokyo
Seibu Ikebukuro Line
SI07 Nakamurabashi 中村橋 7.5 | ↑ | ↑ | | |   Nerima Tokyo
SI08 Fujimidai 富士見台 8.3 | ↑ | ↑ | | |
SI09 Nerima-Takanodai 練馬高野台 9.5 | ↑ | ↑ | | |
SI10 Shakujii-kōen 石神井公園 10.6 O ↑ O O O O |
SI11 Ōizumi-gakuen 大泉学園 12.5 O O | O | | |
SI12 Hōya 保谷 14.1 O O | O | | | Nishi-
Tokyo
SI13 Hibarigaoka ひばりヶ丘 16.4 O O O ↑ O O |
SI14 Higashi-Kurume 東久留米 17.8 O O O O | | | Higashi-
Kurume
SI15 Kiyose 清瀬 19.6 O O O ↑ | | | Kiyose
SI16 Akitsu 秋津 21.8 O O O ↑ | | | Musashino Line (Shin-Akitsu Station) Higashi-
Murayama
SI17 Tokorozawa 所沢 24.8 O O O O O O O Seibu Shinjuku Line Tokorozawa Saitama
SI18 Nishi-Tokorozawa 西所沢 27.2 O O O O O | | Seibu Sayama Line
Seibu Sayama Line
SI40 Shimo-Yamaguchi 下山口 29.0 O O O O O       Tokorozawa Saitama
SI41 Seibu Kyūjō-mae 西武球場前 31.4 O O O O O
Seibu Ikebukuro Line
SI19 Kotesashi 小手指 29.4 O O O O O O |   Tokorozawa Saitama
SI20 Sayamagaoka 狭山ヶ丘 31.6 O   O O O | |
SI21 Musashi-Fujisawa 武蔵藤沢 32.9 O O O O | | Iruma
SI22 Inariyama-kōen 稲荷山公園 35.9 O O O O | O Sayama
SI23 Irumashi 入間市 36.8 O O O O O O Iruma
SI24 Bushi 仏子 39.7 O O O O | |
SI25 Motokaji 元加治 41.0 O O O O | |
SI26 Hannō 飯能 43.7 O O O O O O Hannō
SI27 Higashi-Hannō 東飯能 44.5         O |
SI28 Koma 高麗 48.5 O * Hidaka
SI29 Musashi-Yokote 武蔵横手 51.3 O |
SI30 Higashi-Agano 東吾野 53.8 O | Hannō
SI31 Agano 吾野 57.8 O |
Seibu Chichibu Line
SI32 Nishi-Agano 西吾野 61.4           O |   Hannō Saitama
SI33 Shōmaru 正丸 64.1 O |
SI34 Ashigakubo 芦ヶ久保 70.2 O * Yokoze, Chichibu
District
SI35 Yokoze 横瀬 74.2 O O
SI36 Seibu Chichibu 西武秩父 76.8 O O Chichibu Railway Main Line (Ohanabatake Station) Chichibu

Rolling stock

A fleet of eight 10-car Seibu 40000 series EMUs is scheduled to be introduced from spring 2017, operating on the Seibu Ikebukuro, Seibu Shinjuku, and Seibu Haijima Lines.[10]

History

The line opened 15 April 1915 as the Musashino Line (武蔵野線 Musashino-sen) (separate from the Musashino Line currently operated by JR East), by the then Musashino Railway (武蔵野鉄道 Musashino Tetsudō), the predecessor of the present Seibu Railway with the first section from Ikebukuro to Hannō. In 1922, electrification began in three stages from Ikebukuro, until reaching Hannō in 1925. In the late 1920s, a second track was added from Ikebukuro to Hōya Station, and in 1929 the line was extended to Agano Station, the present nominal end. On March 25, 1952, the line was renamed to the Ikebukuro line, and throughout the 1950s and 1960s, the 2-track section was extended in stages until reaching Kasanui yard in 1969.

In 1969, the Seibu Chichibu Line was completed to Seibu Chichibu Station to begin through operation from Ikebukuro; in 1989, bypass tracks were laid to the Chichibu Railway Main Line; and in 1998, through service via Seibu Yurakucho Line of Seibu to the Tokyo Metro's Yurakucho Line began to Shinkiba Station.

In 2001, a second track of 350 m was built to complete the double-track section from Ikebukuro to Hannō. At the same time, the elevated 4-track section from Nerima-Takanodai to Nakamurabashi opened. This elevated 4-track section was extended to Nerima in 2003.

Station numbering was introduced on all Seibu Railway lines during fiscal 2012, with Seibu Ikebukuro Line stations numbered prefixed with the letters "SI".[11]

From 10 September 2012, 10-car 5050-4000 series sets entered revenue service on the Seibu Ikebukuro Line and Seibu Yurakucho Line, with inter-running through to the Tokyo Metro Fukutoshin Line.[12]

From 16 March 2013, through running via the Tokyo Metro Fukutoshin Line commenced beyond Shibuya over the Tokyu Toyoko Line and Minatomirai Line to Motomachi-Chukagai in Yokohama.[13]

References

  1. ↑ Seibu ridership in 2010 Train Media (sourced from Seibu) Retrieved May 28, 2012.
  2. ↑ Terada, Hirokazu (July 2002). データブック日本の私鉄 [Databook: Japan's Private Railways]. Japan: Neko Publishing. pp. 58–59. ISBN 4-87366-874-3.
  3. ↑ "Ikebukuro Station Timetable (weekdays)" (in Japanese). Yokohama Minatomirai Railway Company. March 16, 2013. Retrieved July 26, 2014.
  4. ↑ 停車駅のご案内 [Information regarding stations that are served] (in Japanese). Yokohama Minatomirai Railway Company. Retrieved July 26, 2014.
  5. ↑ "Ikebukuro Line Double Track Project Announcements". Seibu Railways. 2013-07-30.
  6. ↑ "Shin-Kiba Station Timetable". Tokyo Metro. 2013-07-30.
  7. ↑ "Motomachi-Chukagai Station Timetable". Yokohama Minatomirai Railway Company. 2013-07-30.
  8. ↑ "Kotesashi Station Timetable". Seibu Railways. Retrieved 2013-07-30.
  9. ↑ "Ikebukuro Station Timetable". Seibu Railways. 2013-07-30.
  10. ↑ 進化した”スマイルトレイン” 西武鉄道、新型車両「40000系」デビューへ [New Seibu 40000 series "advanced Smile train" rolling stock to debut] (in Japanese). Japan: Tetsudo Shimbun. 24 August 2015. Retrieved 25 August 2015.
  11. ↑ 西武線全駅で駅ナンバリングを導入します [Station numbering to be introduced at all Seibu stations] (pdf). News Release (in Japanese). Japan: Seibu Railway. 23 February 2012. Retrieved 27 March 2013.
  12. ↑ 東急5050系が西武鉄道池袋線で営業運転開始 [Tokyu 5050 series enters service on the Seibu Ikebukuro Line]. RM News (in Japanese). Japan: Neko Publishing. 10 September 2012. Retrieved 10 September 2012.
  13. ↑ 池袋線が東急東横線、横浜高速みなとみらい線との相互直通運転を開始します。 [Inter-running to commence between Ikebukuro Line and Tokyu Toyoko and Minatomirai Lines] (pdf). News Release (in Japanese). Seibu Railway. 24 July 2012. Retrieved 25 July 2012.
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