| Sōbu Line (Rapid) | |
| Type: | Commuter rail |
| Locale: | Tokyo, Chiba prefectures |
| Stations: | 10 |
| Daily Ridership: | 693,998 (daily 2015)[1] |
| Open: | 1972 |
| Operator: | JR East |
| Linelength: | 60.21NaN1 |
| Electrification: | 1,500 V DC overhead catenary |
| Speed: | 120round=5NaNround=5 |
| Map State: | collapsed |
The Sōbu Line (Rapid) (ja|総武快速線|Sōbu-kaisoku-sen) is a railway service on the Sōbu Main Line in Tokyo and Chiba Prefecture, Japan, operated by East Japan Railway Company (JR East). It connects Tokyo Station in Chūō, Tokyo with Chiba Station in Chūō-ku, Chiba via the cities of Ichikawa, Funabashi, and Narashino.
Rapid services on the Sōbu Line are primarily operated between Tokyo and Chiba, although there are many through services onto the Yokosuka Line as well as some through services operated from the Yokosuka Line via Tokyo terminating at . During weekday morning peak periods Tokyo-bound trains arrive once every 3.2 minutes; this is reduced to 10 Chiba-bound trains per hour during weekday evening peak periods. At other times there are approximately six trains per hour. There are many through services operated onto other lines.
For information on the Narita Express, Shiosai, and other limited express services, see their respective articles.
Sōbu Line (Rapid) trains travel through onto the Yokosuka Line to,, and . Trains also travel through beyond Chiba to as far as:
See main article: Home Liner Chiba. Before 16 March 2019, there were five Home Liner Chiba commuter liner services that operated every weekday evening, four of which started from Tokyo and another which started at Shinjuku.
Stations served:
(Shinjuku – Akihabara) / Tokyo – Tsudanuma – Inage – Chiba
See main article: Ayame (train).
Commuter Rapid services were abolished with the timetable revision on 12 March 2022.[2] Prior to this they ran on weekday peak hours only, stopping at Tōkyō, Shin-Nihombashi, Bakurochō, Kinshichō, Funabashi, and Chiba.
| Station No. | Station | Japanese | Distance (km) | Transfers | Location | |||
|---|---|---|---|---|---|---|---|---|
| Between stations | Total | |||||||
| Through services to Yokosuka Line for,,, and | ||||||||
| 東京 | - | 0.0 | Chiyoda | Tokyo | ||||
| 新日本橋 | 1.2 | 1.2 | Chūō | |||||
| 馬喰町 | 1.1 | 2.3 | ||||||
| 錦糸町 | 2.5 | 4.8 | Sumida | |||||
| 新小岩 | 5.2 | 10.0 | Chūō-Sōbu Line (JB25) | Katsushika | ||||
| 市川 | 5.4 | 15.4 | Chūō-Sōbu Line (JB27) | Ichikawa | Chiba | |||
| 船橋 | 7.8 | 23.2 | Funabashi | |||||
| 津田沼 | 3.5 | 26.7 | Narashino | |||||
| 稲毛 | 9.2 | 35.9 | Chūō-Sōbu Line (JB37) | Inage-ku, Chiba | ||||
| 千葉 | 3.3 | 39.2 | Chūō-ku, Chiba | |||||
| Through services to: Sotobō Line for Uchibō Line for Narita Line for and Kashima Line for via the Narita Line Sōbu Main Line for | ||||||||
Note: Special Rapid service was discontinued on 4 March 2017.[3]
On 20 August 2016, station numbering was introduced with stations being assigned station numbers between JO19 and JO28.[5] [6] Numbers increase towards in the eastbound direction towards Chiba.