roadway maintenance

例句：

1. 1.The city's roadway maintenance department is responsible for maintaining the city's roads.
   该市的道路维护部门负责维护城市的道路。
2. 2.Maintenance of the roadway is crucial for the safety of pedestrians and vehicles.
   道路维护对于行人和车辆的安全至关重要。
3. 3.The roadway maintenance crew was called to fix a pothole in the middle of the street.
   道路维护小组被召来修理街道中间的一个坑洞。