maintaining roadway

例句：

1. 1. The government is maintaining a road that connects two cities.
   政府正在维护一条连接两个城市的路。
2. 2. Maintaining the roadway is crucial for traffic safety.
   维护道路对交通安全至关重要。
3. 3. The maintenance crew was busy fixing potholes on the main roadway.
   维修队正在忙碌地修理主要道路的坑洼。