交通事故后，警察迅速使道路畅通。

After the traffic accident, the police quickly made the road unblocked.

通往新闻自由的道路畅通了.

The path to a free press was cleared.

高速公路的工作人员很快就使道路畅通了.

Highway crews soon had the roads travelable.

国家公园管理局设法保持大多数道路畅通。

The National Park Service works hard to keep most of the roads open.

(走私黑话)道路畅通,时机正好.

The coast is clear.

快速机动化城市中土地使用变化与道路畅通的关系；

Relation between land use change and mobility in rapidly motorizing cities;