Akagi (train)
The is a limited express train service in Japan operated by the East Japan Railway Company (JR East). It runs between Tokyo ( or stations) and in Gunma Prefecture. Some trains run to or from or . Rolling stock. From the start of the revised timetable on 15 March 2014, refurbished 651 series EMUs were introduced on "Akagi" services, replacing the aging 185 series trains. One return service to and from Shinjuku continues to use 185 series rolling stock. History. The "Akagi" service first started on 10 March 1960 as a semi-express service operating between Ueno and . From 14  March 1985, the service was upgraded to limited express status. From 18 November 2013, one car (car 3 in 7- and 10-car formations, and cars 3 and 10 in 14-car formations) was designated as a reserved-seating car. From the start of the revised timetable on 15 March 2014, eleven "Akagi" services running during weekday peak commuting hours were renamed with all ordinary-class seats reservable. Since 13 March 2021, this limited express has not run on Ryomo Line and Joetsu Line.