Aoimori 703 series

The Aoimori 703 series is an electric multiple unit train type operated by the third-sector railway operator Aoimori Railway on the Aoimori Railway Line in Aomori Prefecture, Japan, since March 2014.

Overview

Based on the JR East E721 series EMUs first introduced in 2006, two two-car 703 series trains were manufactured by J-TREC in Yokohama, Kanagawa. Built at a total cost of 800 million yen, one set was purchased directly by the Aoimori Railway, and one set is leased.

Formation

The two two-car sets consist of one motored car and one unpowered trailer car, and are formed as shown below.

Car No.	1	2
Designation	Tc	Mc
Numbering	Aoimori 702-1x	Aoimori 703-1x

The "Mc" car is fitted with one single-arm pantograph.

Interior

Passenger accommodation consists of a mixture of transverse seating bays and longitudinal bench seating. Passenger information is provided by LED displays above the doorways. The trains are equipped with universal access toilets.

History

The two sets on order were delivered from J-TREC's Yokohama factory to Aomori in November 2013. The two sets entered revenue service from the start of the revised timetable on 15 March 2014.

Future plans

Effective the timetable revision on 18 March 2023, 703 series will operate as far south as Sannohe Station on the Aoimori Railway Line. Trains currently only operate as far south as Hachinohe Station.