Commuter and suburban trains developed by JR East are active in each DC section of the Tokyo metropolitan area.
The commuter type E231 series, which appeared to replace the 103 series of the Joban line, started commercial operation in 2002.
It is operated with a maximum of 15 cars wearing two color bands of Joban line color emerald green and bright green.
Consists of powered car
Working head and tail lights
Equipped with flywheel drive
Compatible with Interior Lighting Kit Tomix 0733