n. 车行道
At that point, the road opens out and becomes a dual carriageway. 公路在那个地方变宽了，变成了双车道。
The eastbound carriageway of the motorway is closed. 高速公路向东方向的行车道已关闭禁止通车。
The southbound carriageway of the motorway is closed. 高速公路上往南行的行车道被关闭了。
The road opened out into a dual carriageway. 这条路已扩展成了复式车行道。
