Shimōsa (train)
The Shimōsa (しもうさ) is an all-stations train service in Japan operated by the East Japan Railway Company (JR East) between Kaihimmakuhari in Chiba Prefecture and Ōmiya in Saitama Prefecture.[1] Shimosa looks like Musashino train, but Musashino train goes from Hachioji or Fuchu-hommachi and Shimosa goes from Shin-Narashino or Kaihimmakuhari.
|  JR East E231-0 series EMU set MU35 on a Shimōsa service | |
| Overview | |
|---|---|
| Service type | Local | 
| Locale | Chiba Prefecture and Saitama Prefecture, Japan | 
| First service | 4 December 2010 | 
| Current operator(s) | JR East | 
| Route | |
| Start | Kaihimmakuhari/Shin-Narashino/Nishi-Funabashi | 
| End | Ōmiya | 
| Line(s) used | Keiyō Line, Musashino Line, Tōhoku Main Line | 
| On-board services | |
| Class(es) | Standard class only | 
| Seating arrangements | Longitudinal | 
| Catering facilities | None | 
| Other facilities | No toilets | 
| Technical | |
| Rolling stock | 209-500/E231-0/E231-900 series EMUs | 
| Track gauge | 1,067 mm (3 ft 6 in) | 
| Electrification | 1,500 V DC overhead | 
Service pattern
    
3 services operate everyday, during the morning and evening rush hours. In the morning, 1 train originates from Shin-Narashino to Ōmiya, then returning to Kaihimmakuhari. In the evening, 2 trains originates from Shin-Narashino to Ōmiya, return to Nishi-Funabashi, then heads back to Ōmiya again, and finally return to Shin-Narashino. The timetables for weekdays and weekends are different. As a side note, the morning return train operates a one-stop service after it comes back to Kaihimmakuhari, from Kaihimmakuhari to Shin-Narashino.
Route
    
The trains to and from Ōmiya use one of the Musashino Line freight branches, which connects the Musashino Line (Musashi-Urawa Station) and the Tōhoku Main Line (Yono Station).[2] It also use parts of the Keiyo Line, from Minami-Funabashi to Kaihimmakuhari.
Stations served
    
- Ōmiya - Musashi-Urawa - Minami-Urawa - Higashi-Urawa - Higashi-Kawaguchi - Minami-Koshigaya - Koshigaya-Laketown - Yoshikawa - Yoshikawaminami - Shim-Misato - Misato - Minami-Nagareyama - Shim-Matsudo - Shin-Yahashira - Higashi-Matsudo - Ichikawaōno - Funabashihōten - Nishi-Funabashi - Minami-Funabashi - Shin-Narashino - Kaihimmakuhari(※)
※ : Only served by the morning train service
Rolling stock
    
Services share rolling stock with the Musashino Line and are currently operated by E231-0 series, or E231-900 series 8-car EMUs with longitudinal seating throughout.[3]
Former rolling stock:
Former rolling stock is 8-car 209 series.
 JR East Musashino Line 209-500 series EMU set M73 at Omiya Station JR East Musashino Line 209-500 series EMU set M73 at Omiya Station
 Musashino Line 205-0 series on a Shimōsa service, at Minami-Funabashi station Musashino Line 205-0 series on a Shimōsa service, at Minami-Funabashi station
See also
    
- List of named passenger trains of Japan
- Shimōsa Province, the service's namesake
- Musashino (train), a similar service linking Ōmiya and the western side of the Musashino Line and also the Chūō Main Line.
References
    
- JR Timetable, February 2011 issue
- "行楽列車"ホリデー快速"と武蔵野線ジャンクション" ["Holiday Rapid" Excursion train and Musashino Line junctions]. Japan Railfan Magazine. No. 439. Japan: Kōyūsha. November 1997. p. 30.
- "JR北海道・JR東日本 2010年12月4日ダイヤ改正概要" [JR Hokkaido & JR East 4 December 2010 Timetable Revision Overview]. Tetsudō Daiya Jōhō Magazine. Vol. 39, no. 319. Japan: Kōtsū Shimbun. November 2010. p. 81.
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