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direction of movement (motion); direction of travel (esp. train)
電車の進行方向に向かってお座りください。
Please sit facing the direction of travel of the train.
進行方向の右手に城が見える。
You can see a castle on your right in the direction of travel.
カーナビが進行方向が変わったと知らせた。
The car navigation system announced that the direction of travel had changed.