1、Road studs delineate the edges of a carriageway or the division of traffic lanes.
行車道上鑲嵌反光路釘，用以劃分行車道的邊緣或行車。

2、The southbound carriageway of the motorway is closed.
高速公路上往南行使的行車道被關(guān)閉了。

3、The eastbound carriageway of the motorway was closed.
高速公路向東方向的行車道已關(guān)閉禁止通車。

4、The westbound carriageway of the motorway is closed.
朝西面去的車道已關(guān)閉了。

carriageway翻譯