도로에

도로에

"On the road" or "to the road."

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

도로에 많은 차량이 있습니다.

There are many vehicles on the road.

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

그는 도로에 떨어진 열쇠를 주웠어요.

He picked up the key fallen on the road.

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

도로에 주의하며 운전하세요.

Drive carefully focusing on the road.