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The Yomiuri Shimbun A Tohoku Shinkansen train, left, and an Akita Shinkansen Train are seen linked together at Tokyo Station on Friday as coupled operations resumed after a decoupling incident.
The Yomiuri Shimbun
12:11 JST, March 14, 2025
Coupled service for Tohoku Shinkansen trains linked to Akita and Yamagata Shinkansen trains resumed on Friday after being suspended due to an incident in which a Hayabusa-Komachi No. 21 combined train on the Tohoku Shinkansen line decoupled while running.
East Japan Railway Co. said that coupled operations are set to resume for some trains on Friday, and that they plan to return to normal operations from Saturday.
The cause of the incident has not yet been identified, and as a temporary measure, JR East will use metal fittings to secure the machinery in place and prevent decoupling even if a train’s electrical system malfunctions while it is running. The company conducted a test run on Wednesday and said it had confirmed that everything was safe.
