도로에

In a sentence

• 도로에 많은 차량이 있습니다.

  There are many vehicles on the road.

  Here, '도로에' emphasizes the location where the vehicles are situated: 'on the road'.

• 그는 도로에 떨어진 열쇠를 주웠어요.

  He picked up the key fallen on the road.

  In this sentence, '도로에' describes the particular location where the key has fallen: 'on the road'.

• 도로에 주의하며 운전하세요.

  Drive carefully focusing on the road.

  Here, '도로에' indicates the emphasis on where to pay attention while driving: 'on the road'.