Super Oki
JRW 187 LimitedExpress Oki.JPG
3-car KiHa 187 series DMU on a Super Oki service, August 2008
Service typeLimited express
LocaleHonshu, Japan
First service7 July 2001
Current operator(s)JR West
TerminiTottori, Yonago
Distance travelled378.0 km (234.9 mi) (Tottori - Shin-Yamaguchi)
285.3 km (177.3 mi) (Yonago - Shin-Yamaguchi)
Average journey time5 hours 15 minutes approx
Service frequency3 return workings daily
Line(s) usedSanin Main Line, Yamaguchi Line
On-board services
Class(es)Standard class only
Disabled accessYes
Sleeping arrangementsNone
Catering facilitiesNone
Observation facilitiesNone
Entertainment facilitiesNone
Other facilitiesToilet
Rolling stockKiHa 187 series DMU
Track gauge1,067 mm (3 ft 6 in)
Operating speed120 km/h (75 mph)[1]
Track owner(s)JR West

The Super Oki (スーパーおき) is a limited express train service in Japan operated by the West Japan Railway Company (JR West) since July 2001.[1] It runs from Tottori and Yonago to Shin-Yamaguchi.[1] The Super Oki is one of the furthest travelling limited express services in Japan, with the distance from Shin-Yamaguchi to Tottori reaching nearly 380 km and taking more than 5 hours to cover it.


Trains stop at the following stations:

Tottori - Kurayoshi - Yonago - Yasugi - Matsue - (Tamatsukuri-Onsen) - (Shinji) - Izumoshi - Ōdashi - (Yunotsu) - Gōtsu - (Hashi) - Hamada - (Miho-Misumi) - Masuda - Nichihara - Tsuwano - Tokusa - Mitani - Yamaguchi - Yudaonsen - Shin-Yamaguchi

Stations in brackets () indicate stations where not all trains stop at.

Rolling stock

Super Oki services are normally formed of two-car KiHa 187 series tilting DMU sets, sometimes lengthened to three or four cars during busy seasons.[1] One car consists of reserved seating, and the other is non-reserved.[2] No Green Car is available on this train.


Two-car trains are formed as shown below, with car 1 at the Shin-Yamaguchi end. All cars are no-smoking.[2]

Car No. 1 2
Accommodation Reserved Non-reserved


The Super Oki was introduced on 7 July 2001.[1]


  1. ^ a b c d e JR新幹線&特急列車ファイル [JR Shinkansen & Limited Express Train File]. Japan: Kōtsū Shimbun. 2008. p. 94. ISBN 978-4-330-00608-6.
  2. ^ a b JR Timetable October 2012 issue. p.99