Seibu Ikebukuro Line

Seibu Ikebukuro Line
Seibu Ikebukuro Line
	Seibu 001 series near Nishi-Tokorozawa Station, October 2021
Overview
Native name	西武池袋線
Owner	Seibu Railway
Locale	Kanto region
Termini	Ikebukuro; Agano;
Stations	31
Service
Depot(s)	Kotesashi
Daily ridership	892,025 (2010)
History
Opened	15 April 1915
Technical
Line length	57.8 km (35.9 mi)
Track gauge	1,067 mm (3 ft 6 in)
Minimum radius	200 m (660 ft)
Electrification	1,500 V DC, overhead catenary
Operating speed	105 km/h (65 mph)

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.

The section from Hannō to Seibu-Chichibu is single track, but every station except for Higashi-Hanno has passing loops, and trains may pass each other at any stop. There is also a passing loop inside a tunnel where the signal controls bi-directional operation. The rest of all the lines is double track with 1,067 mm (3 ft 6 in) track gauge.

Branch lines

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

Toshima Line: 1.0 km (0.62 mi) length, with Local trains through from Ikebukuro.
Seibu Yūrakuchō Line: The bypass to Tokyo Metro Yūrakuchō Line/Tokyo Metro Fukutoshin Line, with Semi Expresses and Rapids from Hannō to Shin-Kiba Station/Motomachi-Chukagai 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:

4-track: Nerima to Shakujii-kōen (4.6 km (2.9 mi))^[5]
2-track: Ikebukuro to Nerima (6.0 km (3.7 mi)), Shakujii-kōen to Hannō (33.1 km (20.6 mi)), Kita-Hannō rail yard to Musashigaoka Rail yard (1.5 km (0.93 mi))
1-track: the remainder

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 and Hannō. 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, Hōya, and Hannō.^[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/Kotesashi to Motomachi-Chūkagai via the Tokyo Metro Fukutoshin Line, Tokyu Toyoko Line and Minatomirai Lines.
S-Train (エストレイン, Esutorein) (ST) See also: S-Train (Seibu): Morning and evening reserved-seat services between Seibu-Chichibu and Motomachi-Chūkagai via the Tokyo Metro Fukutoshin Line, Tokyu Toyoko Line and Minatomirai Lines at weekends, and between Tokorozawa and Toyosu via the Tokyo Metro Yurakucho Line on weekdays.
Limited Express (特急, Tokkyū) (LE): Trains named Musashi (むさし), from Ikebukuro to Hannō *,^{[Note 1]} and Chichibu (ちちぶ), from Ikebukuro to Seibu-Chichibu, with supplementary limited express charge.

Stations

Local services are not shown, as they stop at all stations.

O: stop; |: pass; ↑: pass (services run in one direction, towards Ikebukuro only); *: limited stop; ↓: boarding only towards Ikebukuro, alighting only towards Tokorozawa (weekdays)

No.	Station	Japanese	Distance (km)	SE	CSE	Ra	CE	Ex	RE	ST	LE	Transfers	Location
SI01	Ikebukuro	池袋	0.0	O	O	O	O	O	O	^{[Note 2]}	O	JS Shonan-Shinjuku Line JA Saikyo Line JY Yamanote Line TJ Tobu Tojo Line M Tokyo Metro Marunouchi Line Y Tokyo Metro Yurakucho Line F 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	\|	↑	\|	↑	\|	↑		\|
Through services via the Seibu Yūrakuchō Line				To/from Shin-Kiba via the Y Tokyo Metro Yurakucho Line To/from Motomachi-Chūkagai via the F Tokyo Metro Fukutoshin Line, TY Tōkyū Tōyoko Line, and Minatomirai Line
SI06	Nerima	練馬	6.0	O	O	O	↑	\|	*^{[Note 3]}	*^{[Note 4]}	\|	Seibu Yūrakuchō Line (Through Service) Seibu Toshima Line E Toei Oedo Line
SI07	Nakamurabashi	中村橋	7.5	\|	↑	\|	↑	\|	\|	\|	\|
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	*^{[Note 5]}	\|
SI11	Ōizumi-gakuen	大泉学園	12.5	O	O	\|	O	\|	\|	\|	\|
SI12	Hōya	保谷	14.1	O	O	\|	O	\|	\|	*^{[Note 6]}	\|		Nishitokyo
SI13	Hibarigaoka	ひばりヶ丘	16.4	O	O	O	↑	O	O	\|	\|		Nishitokyo
SI14	Higashi-Kurume	東久留米	17.8	O	O	O	O	\|	\|	\|	\|		Higashikurume
SI15	Kiyose	清瀬	19.6	O	O	O	↑	\|	\|	\|	\|		Kiyose
SI16	Akitsu	秋津	21.8	O	O	O	↑	\|	\|	\|	\|	JM Musashino Line (Shin-Akitsu Station)	Higashimurayama
SI17	Tokorozawa	所沢	24.8	O	O	O	O	O	O	* ^{[Note 7]}	O	Seibu Shinjuku Line	Tokorozawa	Saitama
SI18	Nishi-Tokorozawa	西所沢	27.2	O	O	O	O	O	\|	* ^{[Note 8]}	\|	Seibu Sayama Line
SI19	Kotesashi	小手指	29.4	O	O	O	O	O	O	* ^{[Note 9]}	\|
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	\|	\|	\|		Sayama
SI23	Irumashi	入間市	36.8	O		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	O		Hannō
SI27	Higashi-Hannō	東飯能	44.5							\|	\|	■ Hachiko Line	Hannō
SI28	Koma	高麗	48.5							\|	\|		Hidaka
SI29	Musashi-Yokote	武蔵横手	51.3							\|	\|		Hidaka
SI30	Higashi-Agano	東吾野	53.8							\|	\|		Hannō
SI31	Agano	吾野	57.8							\|	\|	Seibu Chichibu Line	Hannō

^[9]

Notes:

^ Only Musashi No.67 goes to Seibu-Chichibu on weekends.
^ S-Train services stop at the Fukutoshin Line subway platforms on weekends and national holidays for alighting passengers only.
^ F Liner services only.
^ On weekdays, trains heading for Tokorozawa stops but you can not board. Alighting only. On weekends, both pass.
^ On weekdays: For trains heading to Nerima, boarding only, for trains heading to Tokorozawa, alighting only. On weekends: Both can alight/board
^ On weekdays: For trains heading to Nerima, boarding only, for trains heading to Tokorozawa, alighting only. On weekends: both pass.
^ On weekdays: For trains heading to Nerima, boarding only, for trains heading to Seibu-Chichibu, alighting only. On weekends: both stop
^ Only trains heading for Seibu-Chichibu in weekdays stop.
^ Only trains heading for Seibu-Chichibu in weekdays stop.

Rolling stock

Seibu 001 series (Limited express services)
Seibu 2000 series
Seibu 4000 series
Seibu 6000 series
Seibu 9500 series
Seibu 20000 series
Seibu 30000 series
Seibu 40000 series (Since 2017)
Tokyo Metro 10000 series
Tokyo Metro 17000 series
Tokyu 5000 series
Tokyu 5050 series
Tokyu 5050-4000 series
Yokohama Minatomirai Railway Y500 series

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 25 March 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.^{[citation needed]}

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.^{[citation needed]}

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.^{[citation needed]}

Station numbering was introduced on all Seibu Railway lines during fiscal 2012, with Seibu Ikebukuro Line stations numbered prefixed with the letters "SI".^[10]

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.^[11]

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.^[12]

References

^ Seibu ridership in 2010 Train Media (sourced from Seibu) Retrieved 28 May 2012.
^ 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.
^ "Ikebukuro Station Timetable (weekdays)" (in Japanese). Yokohama Minatomirai Railway Company. 16 March 2013. Retrieved 26 July 2014.
^ 停車駅のご案内 [Information regarding stations that are served] (in Japanese). Yokohama Minatomirai Railway Company. Retrieved 26 July 2014.
^ "Ikebukuro Line Double Track Project Announcements". Seibu Railways. 30 July 2013. Archived from the original on 7 April 2016.
^ "Shin-Kiba Station Timetable". Tokyo Metro. 30 July 2013.
^ "Motomachi-Chukagai Station Timetable". Yokohama Minatomirai Railway Company. 30 July 2013.
^ "Kotesashi Station Timetable". Seibu Railways. Retrieved 30 July 2013.
^ https://www.seiburailway.jp/railway/ikebukuro_rosenzu.pdf (This reference represents for all the "Stations" section.)
^ 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. Archived from the original (PDF) on 24 September 2015. Retrieved 27 March 2013.
^ 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.
^ 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. Archived from the original (PDF) on 13 August 2012. Retrieved 25 July 2012.

External links

Route diagram (in English)

[9] Only Musashi No.67 goes to Seibu-Chichibu on weekends.

[10] S-Train services stop at the Fukutoshin Line subway platforms on weekends and national holidays for alighting passengers only.

[11] F Liner services only.

[12] On weekdays, trains heading for Tokorozawa stops but you can not board. Alighting only. On weekends, both pass.

[13] On weekdays: For trains heading to Nerima, boarding only, for trains heading to Tokorozawa, alighting only. On weekends: Both can alight/board

[14] On weekdays: For trains heading to Nerima, boarding only, for trains heading to Tokorozawa, alighting only. On weekends: both pass.

[15] On weekdays: For trains heading to Nerima, boarding only, for trains heading to Seibu-Chichibu, alighting only. On weekends: both stop

[16] Only trains heading for Seibu-Chichibu in weekdays stop.

[17] Only trains heading for Seibu-Chichibu in weekdays stop.

[ridership-1] Seibu ridership in 2010 Train Media (sourced from Seibu) Retrieved 28 May 2012.

[terada2002-2] 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. 16 March 2013. Retrieved 26 July 2014.

[4] 停車駅のご案内 [Information regarding stations that are served] (in Japanese). Yokohama Minatomirai Railway Company. Retrieved 26 July 2014.

[5] "Ikebukuro Line Double Track Project Announcements". Seibu Railways. 30 July 2013. Archived from the original on 7 April 2016.

[6] "Shin-Kiba Station Timetable". Tokyo Metro. 30 July 2013.

[7] "Motomachi-Chukagai Station Timetable". Yokohama Minatomirai Railway Company. 30 July 2013.

[8] "Kotesashi Station Timetable". Seibu Railways. Retrieved 30 July 2013.

[18] ttps://www.seiburailway.jp/railway/ikebukuro_rosenzu.pdf (This reference represents for all the "Stations" section.)

[19] 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. Archived from the original (PDF) on 24 September 2015. Retrieved 27 March 2013.

[rmnews20120910-20] 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.

[seibu20120724-21] 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. Archived from the original (PDF) on 13 August 2012. Retrieved 25 July 2012.

[1]

[2]

[3]

[4]

[5]

[6]

[7]

[8]

[Note 1]

[Note 2]

[Note 3]

[Note 4]

[Note 5]

[Note 6]

[Note 7]

[Note 8]

[Note 9]

[9]

[10]

[11]

[12]

v t e Seibu railway lines
Ikebukuro Line group	■ Ikebukuro ■ Sayama ■ Seibu Chichibu ■ Seibu Yūrakucho ■ Toshima
Shinjuku Line group	■ Haijima ■ Kokubunji ■ Seibuen ■ Shinjuku ■ Tamagawa ■ Tamako
People mover	■ Yamaguchi
Related lines	Daiyūzan Line Hakone Komagatake Ropeway Jukkokutōge Cable Car Sunzu Line
Major stations	Hannō Hon-Kawagoe Ikebukuro Kokubunji Nerima Seibu-Shinjuku Takadanobaba Tokorozawa

v t e Transit in the Greater Tokyo Area
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Keisei	Keisei Main Chiba Chihara Higashi-Narita Kanamachi Oshiage Narita Sky Access
Odakyu	Odawara Enoshima Tama
Seibu	Ikebukuro Sayama Seibu Chichibu Seibu Yūrakuchō Toshima Seibu Shinjuku Haijima Kokubunji Seibuen Tamagawa Tamako
Sotetsu	Sotetsu Main Izumino JR Link Line Shin-Yokohama
Tobu	Skytree Kameido Daishi Isesaki Sano Koizumi Kiryū Nikkō Kinugawa Utsunomiya Urban Park Tōjō Ogose
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Other commuter rail lines	Hokusō Kantō Jōsō Ryūgasaki Nagareyama Rinkai Line Saitama Rapid Shibayama Shin-Keisei Tōyō Rapid Tsukuba Express Minatomirai 21
Trams	Enoden SG Setagaya Arakawa
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Hinterland	Chichibu Main Line Jōmō Line Jōshin Dentetsu Jōshin Line Watarase Keikoku Line Yagan Railway Mooka Line Minato Line Ōarai Kashima Line Chōshi Electric Railway Line Isumi Line Kominato Line
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