The E231 series (E231系, E231-kei) is an electric multiple unit (EMU) train type used for commuter and outer-suburban services operated by East Japan Railway Company (JR East) in Japan since 2000.

The E231 series (E231系, E231-kei) is an electric multiple unit (EMU) train type used for commuter and outer-suburban services operated by East Japan Railway Company (JR East) in Japan since 2000.

The E231 series is a Japanese commuter electric multiple unit operated in a number of different forms by the East Japan Railway Company since March 2000. It is one of a few main types of rolling stock used on urban commuter services on JR East, with another being the E233 sets, as …

The E233 series (E233系) is a commuter and suburban electric multiple unit (EMU) train type developed by East Japan Railway Company (JR East) from the earlier E231 series and the E531 series design.

The E231 Series is a commuter/suburban train designed by JR East to replace its aging fleets of trains from the days of the Japanese National Railways (JNR). These trains were built to have lower operating costs than previous trains and also to provide better service for riders.

The E231 series is one of the most common train type in Tokyo and surrounding prefectures. By developing the series, JR East has been succeeded in reducing costs of introduction and maintenance, and some other private railways such as Tokyu followed after JR East.

Between 2017 and 2020, E231-0 series sets were transferred from the Chūō–Sōbu Line and the Jōban Line and reduced from ten to eight cars per set to replace the 205 series. [5] . In July 2020, the sole E231-900 series set was also transferred from the Chūō–Sōbu Line and reduced from ten to eight cars. [6]

The E231 is a commuter train type operated by JR East used for commuter and outer-suburban services since 2000. Trains are made up of 4/5/8/10/11 cars per trainset , depending on the Variants used on a particular line.

Mar 10, 2025 · The official name is East Japan Railway Company E231 series train. For reference, the prototype of the E231 series is the 950 series of the 209 series, and the E231 series is a train based on the 209 series train.

Jul 28, 2021 · English: JR East E231 series electric multiple unit train type and its various sub-series variants