YC1 series
…replaced by the YC1 series. The first set, a 2-car set, was delivered in June 2018, and is based at Sasebo depot. The set was used in a test run on the Nagasaki Main Line and Sasebo Line in March 2019. Revenue service began on 14 March 2020. Throughout 2020, twenty-four YC1 series cars were delivered from Kawasaki Heavy…