This is the 17264th most frequent Korean word.
서해안고속도로
"Seohaean Expressway" - A major highway along the west coast of South Korea.
Noun functioning as an object indicating the route taken or used.
나는 서해안고속도로를 통해 서울에 갔다.
I went to Seoul through the West Coast Expressway.
Noun used in a location context, specifying the place of action.
서해안고속도로를 운전할 때는 속도를 잘 지켜야 합니다.
When driving on the West Coast Expressway, you should adhere to the speed limits.
Noun used as the subject of the sentence, referring to a specific infrastructure.