single carriageway road

例句：

1. 1. This singlecarriageway road is the main thoroughfare for the city.
   这条单行道路是城市的主要干道。
2. 2. The construction of this single carriageway road has been delayed due to weather conditions.
   由于天气条件，这条单行道路的建设被推迟了。
3. 3.The single carriageway road was closed for maintenance work during the daytime hours.
   白天，这条单行道路因维护工作而关闭。