The is a limited express train service in Japan operated by East Japan Railway Company (JR East). It runs from and to on the

Bōsō Peninsula The is a peninsula that encompasses the entirety of Chiba Prefecture on Honshu, the largest island of Japan. It is part of the Greater Tokyo Area. It forms the eastern edge of Tokyo Bay, separating it from the Pacific Ocean. The peninsula covers ...

Chiba Prefecture is a prefecture of Japan located in the Kantō region of Honshu. Chiba Prefecture has a population of 6,278,060 (1 June 2019) and has a geographic area of . Chiba Prefecture borders Ibaraki Prefecture to the north, Saitama Prefecture to t ...

Station stops

''Shiosai'' services operate over the

Sōbu Main Line The is a Japanese railway line operated by the East Japan Railway Company (JR East) in Japan. It connects Tokyo with the east coast of Chiba Prefecture, passing through the cities of Funabashi, Chiba, and Chōshi. Its name derives from the ol ...

, stopping at the stations listed below. No services operate as "Local" all-stations services in any section; this characteristic is different from that of Wakashio ltd.exp..千葉を走る列車＞しおさい：EAST JAPAN RAILWAY COMPANY Chiba branch Japan
/ref>
/ref> - - - - - - - - - - * No.1 & 12 trains also stop at station. * No.2, 4 & 13 trains also stop at station.

Rolling stock

E257-500 NB-04 Shiosai 12 Choshi 20120128

255 series The , branded , is a DC electric multiple unit (EMU) train type operated by East Japan Railway Company (JR East) in Japan. It was introduced into commercial service on 2 July 1993, and was specifically designed to be used limited express servi ...

9-car EMUs (since 10 December 2005) * E257-500 series 5/10-car EMUs ''Shiosai'' services are operated using Makuhari-based 9-car

EMU and 10-car E257-500 series EMU formations. The E257-500 series formations have no Green (first class) cars.

Past rolling stock

183 series The was a Japanese limited express electric multiple unit (EMU) train type introduced in 1972 by Japanese National Railways (JNR). Following the privatization of JNR, the 183 series was operated by East Japan Railway Company (JR East) and West ...

EMUs (10 March 1975 – 2005)

Formations

Trains are formed as shown below, with car 1 at the Tokyo end.

9-car 255 series

As of 2019, cars no. 2 and 3 are reserved on some services.

5+5-car E257 series

Past formations

Trains were originally formed of 9-car

EMUs, including one Green car, or 6-car sets with no Green car, but from December 1994, services were formed of 8-car 183 series sets with the Green car removed, as shown below.

8-car 183 series

History

The ''Shiosai'' service was introduced from 10 March 1975 following the completion of electrification of the

in October 1974, using 9-car

EMUs, replacing five of the seven daily diesel-powered express services that operated between / and . From the start of the November 1982 timetable revision, further 183 series EMUs were drafted in, displaced from '' Toki'' limited express services following the opening of the Joetsu Shinkansen, and the remaining ''Inubō'' express services were discontinued and absorbed into the ''Shiosai'' services, giving seven return workings daily. From the start of the revised timetable on 10 December 2005,

9-car EMUs were introduced on ''Shiosai'' services. From the same date, services were made entirely no-smoking. From the start of the 14 March 2015 timetable revision, all ''Shiosai'' services started and terminated at Tokyo Station, with no services operating from Shinjuku.

References

External links

JR East 255 series Shiosai/Wakashio/Sazanami

{{JR East trains Named passenger trains of Japan East Japan Railway Company Railway services introduced in 1975