The transportation ministry gave administrative guidance to JR East over recent problems, including service disruptions on its Yamanote and Joban lines. https://www.japantimes.co.jp/business/2026/02/03/companies/jr-east-guidance-service-halts/?utm_medium=Social&utm_source=mastodon #business #companies #jreast #yamanoteline #jobanline #rail #mlit