Note that Oshiage Station is officially an extension or part of Tokyo Skytree. The double tracks between Oshiage and Hikifune are thus the third and fourth tracks of the Tokyo Skytree − Hikifune section.
The Skytree Line has trains that inter-run with two Tokyo Metro subway lines. One is the Tokyo Metro Hibiya Line connected at Kita-Senju, with all-station stop "Local" trains only. The other is the Tokyo Metro Hanzōmon Line at Oshiage, running as either local, semi-express or express trains within the subway line and the Tokyu Denentoshi line. Beyond Shibuya, the terminus of the Hanzomon Line, nearly all trains continue to and from the Tokyu Den-en-toshi Line, down to the terminus of Chūō-Rinkan.
Local (普通, Futsū) (announced as Kakueki Teisha (各駅停車) or kakutei (各停) for short) (L)
Asakusa − Kita-Senju. 6 cars.
Naka-Meguro of Tokyo Metro Hibiya Line − Kita-Senju − Takenotsuka - Kita-Koshigaya - Kita-Kasukabe - Tobu-Dobutsu-Koen - Minami-Kurihashi. 7 cars.
Section Semi-Express (区間準急, Kukan Junkyū)(SSE)
Between Asakusa and Kita-Koshigaya, Kita-Kasukabe, Tōbu-Dōbutsu Kōen, Kuki, Tatebayashi (Isesaki Line) or Minami-Kurihashi (Nikkō Line). 6 cars.
Semi-Express (準急, Junkyū)(SmE)
Early morning and late night. Down to Kita-Koshigaya, Tōbu-Dōbutsu-Kōen, Kuki or to Minami-Kurihashi on the Nikkō Line through from Chūō-Rinkan on the Tokyu Den-en-toshi Line via the Hanzomon Line. 10 cars.
Section Express (区間急行, Kukan Kyūkō)(SE)
Between Asakusa and Tōbu-Dōbutsu-Kōen, Kuki, Tatebayashi (Isesaki Line) or Minami-Kurihashi (Nikkō Line). 6 cars.
Express (急行, Kyūkō)(Ex)
From morning to night. Down to Tōbu-Dōbutsu-Kōen, Kuki (nearly half to Minami-Kurihashi on the Nikkō Line), through from Chūō-Rinkan on the Tokyu Den-en-toshi Line via Hanzōmon Line. 10 cars.
Limited Express (特急, Tokkyū)(LE)
Stops not shown. Charged for seat reservation and rapid service. Mainly through to the Nikkō Line for the Nikko area named Kegon (けごん), Kirifuri (きりふり), Shimotsuke (しもつけ) and Kinu (きぬ) and Revaty Kinu (リバティきぬ) and Revaty Aizu (リバティ会津) and Revaty Kegon (リバティけごん). Some through to Isesaki from Asakusa, sole direct service named Ryōmō (りょうもう) and Revaty Ryōmō (リバティりょうもう). Some through to/from Kuki from/to Ebisu on Hibiya Line, sole direct service named TH Liner (THライナー). Some through to Kasukabe from Asakusa, sole direct service named Skytree Liner (スカイツリーライナー). Some through Ōmiya/Kashiwa from Asakusa, sole direct service named Urbanpark Liner (アーバンパークライナー).
KN・KG: The stations which are marked "KN・KG" are stopped by Limited Express Kinu and Kegon trains
RM: The stations which are marked "RM" are stopped by Limited Express Ryomo trains
RV RM: The stations which are marked "RV RM" are stopped by Limited Express Revaty Kinu and Revaty Kegon and Revaty Aizu and Revaty Ryomo trains
RV KG・KN: The stations which are marked "RV RM" are stopped by Limited Express Revaty Kinu, Revaty Kegon and Revaty Aizu trains
SL: The stations which are marked "SL" are stopped by Limited Express Skytree Liner trains
UL: The stations which are marked "UL" are stopped by Limited Express Urbanpark Liner trains
TH: The stations which are marked "TH" are stopped by Limited Express TH Liner trains
KF: The stations which are marked "KF" are stopped by Limited Express Kirifuri trains
*Limited Express: Limited Express which are marked * travel to Asakusa stop at Hikifune station in the morning and they travel to Kasukabe or Tōbu-Dōbutsu-Kōen direction stop at Hikifune Station in the evening.
↑Due to the distance between the Skytree Line and the Tsukuba Express at Asakusa, transfers for the Tsukuba Express are instead announced at Kita-Senju.
↑When boarding at Tokyo Skytree, a limited express ticket is not required to board a limited express train to Asakusa.
The first section of the Isesaki Line was opened by the present company in 1899 between Kita-Senju and Kuki utilising steam motive power. In 1902, Tobu extended the line south to have a maritime connection at present Tokyo Skytree (then Azumabashi (吾妻橋), later renamed Asakusa) in downtown Tokyo, and north to Kazo. The following year a further northern extension to Kawamata (then on the south bank of Tone River) was opened. Further northward extension progressed, and in 1910 the line arrived at Isesaki. In 1931, a bridge over the Sumida River was built and present Asakusa Station (then Asakusa Kaminarimon (浅草雷門)) opened as part of the department store building, the entire line being completed.
The Asakusa to Nishiarai section was double-tracked in 1912, and the rest of the line was double-tracked between 1920 and 1927, except for the Hanyu to Kawamata section, which was double-tracked when a second bridge was built over the Tonegawa in 1992.
Electrification started in 1924 on the section of Asakusa and Nishiarai, and in 1927 completed as far as Isesaki. The distance of over 100 km was then one of the longest electrified railway lines together with the present Kintetsu Osaka Line and Yamada Lines.
After World War II, the Tobu Lines had no connection to the Yamanote Line or other major lines of the then Japanese National Railways (JNR) to offer efficient transfers to central Tokyo. The sole connection was with the Jōban Line at Kitasenju, which offered poor access to central Tokyo. To solve the inefficiencies of transfers at Kitasenju and notoriously narrow Asakusa, in 1962, the Hibiya Line of the then Teito Rapid Transport Authority (帝都高速度交通営団, Teito Kōsokudo Kōtsū Eidan), known as TRTA, present Tokyo Metro) was built, connecting at Kitasenju.
Further growing traffic required Tobu to build a second through line to Tokyo Metro Hanzomon Line in the 1990s. In 2003, the company built new tracks from Hikifune to connect at Oshiage, officially an annex station of Tokyo Skytree.
From the 3 March 2006, timetable revision, less than half of trains originated or terminated at Asakusa, with more trains operating through to Tokyo Metro subway lines.
From 17 March 2012, the section south of Tōbu-Dōbutsu-Kōen was rebranded as the Tobu Skytree Line.
The former Skytree Train and Kirifuri limited express, Rapid, and Section Rapid services were discontinued from the start of the revised timetable on 21 April 2017.
↑東武70000系が営業運転を開始[Tobu 70000 series enters revenue service]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 8 July 2017. Archived from the original on 9 July 2017. Retrieved 9 July 2017.
↑東京メトロ13000系が本格的な営業運転を開始[Tokyo Metro 13000 series enters full revenue service]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 27 March 2017. Archived from the original on 27 March 2017. Retrieved 27 March 2017.
↑Ueshin, Daisuke (20 April 2017). 東武スカイツリーライン快速・区間快速ラストラン、300型が最後の定期運行[Final run for Tobu Skytree Line Rapid and Section Rapid and last regular runs for 300 series]. Mynavi News (in Japanese). Japan: Mynavi Corporation. Archived from the original on 27 April 2017. Retrieved 27 April 2017.
Further reading
東武スカイツリーライン(伊勢崎線): 街と駅の今昔物語 [Tobu Skytree Line (Isesaki Line): Past and present stories of the towns and stations] (in Japanese). Japan: Sairyusha. 25 August 2015. ISBN978-4779123665.
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