Translation guide
A sea route is a navigable path across the sea, often used for shipping, travel, or trade. In Japanese, the most common equivalent is 航路 (こうろ), but other terms exist depending on context.
A path or course taken by ships across the sea.
The most common and general term for a sea route, used for shipping lanes, ferry routes, and navigation paths.
This sea route is often used by cargo ships.
A new sea route has been pioneered.
Literally 'sea road', often used in historical or literary contexts, or when emphasizing travel by sea as opposed to land.
He traveled to Japan by sea route.
Loanword from English 'sea lane', used in geopolitical or military contexts, such as 'sea lane defense'.
Securing sea lanes is important.
A regular route used by commercial shipping for transporting goods.
航路 covers both general sea routes and specific shipping routes. It is the standard term in maritime contexts.
This sea route connects Asia and Europe.
A more explicit phrase meaning 'maritime transport route', used in business or logistics contexts.
A scheduled route for ferries or passenger ships.
航路 (こうろ) is the standard modern term for any sea route, including shipping lanes and ferry routes. 海路 (かいろ) is more literary and often implies travel by sea in a historical or poetic sense. In everyday conversation about routes, stick with 航路.
Do not translate 'sea route' word-for-word as 海の道 (うみのみち) or 海道 (かいどう). While 海道 exists in some place names (e.g., 北海道), it is not used for navigable routes. Use 航路 instead.
The establishment of a new sea transport route is being considered.
The ferry route was canceled due to a typhoon.