driving on the right; keeping to the right
Refers to the rule or practice of vehicles or pedestrians staying on the right side of a road or path. Often contrasted with 左側通行 (keeping to the left).
See also: 左側通行
In Japan cars keep to the left, but in the United States they keep to the right.
この通路は右側通行になっています。
This passage is designated for keeping to the right.