경부고속도로

In a sentence

• 나는 경부고속도로를 따라 서울로 차를 몰고 갔다.

  I drove my car along the Gyeongbu Expressway to Seoul.

  In this sentence, '경부고속도로' is used to indicate the route taken during the journey, specifying the expressway followed.

• 경부고속도로에서 교통사고가 발생했다고 들었어요.

  I heard that there was a traffic accident on the Gyeongbu Expressway.

  Here, '경부고속도로' is used to specify the location where the traffic accident occurred.

• 경부고속도로는 한국에서 가장 오래된 고속도로입니다.

  The Gyeongbu Expressway is the oldest expressway in South Korea.

  In this case, '경부고속도로' refers to the expressway itself, highlighting its historical significance.