おりかえしうんてん

おりかえしうんてん【折り返し運転】

【鉄道】 running 《trains》 back and forth between two points [stations].

●中央線は現在四谷と東京の間で折り返し運転をしています. Trains are now being temporarily run between Yotsuya and Tokyo stations on the Chūō Line. | A shuttle service is temporarily in operation now on the Chūō Line between Yotsuya and Tokyo stations.

●この電車は中野駅から折り返し運転となります. This train will turn around [double back, reverse direction] at Nakano Station.