左ひだり側がわ通つう行こう

noun

driving on the left side of the road; left-hand traffic

Refers to the traffic system where vehicles keep to the left side of the road, as in Japan and the UK. Often contrasted with 右側通行 (right-hand traffic).

See also: 右側通行

• 日本にほんでは左ひだり側がわ通つう行こうが法ほう律りつで決きめられている。

  In Japan, driving on the left side of the road is mandated by law.

• イギリスも左ひだり側がわ通つう行こうの国くにです。

  The UK is also a country with left-hand traffic.