passenger traffic department

例句：

1. 1.The passenger traffic department is responsible for managing the flow of passengers.
   乘客交通部门负责管理乘客流动。
2. 2. The department has been working on improving the efficiency of passenger transportation.
   该部门一直在努力提高乘客运输的效率。
3. 3.The passenger traffic department is responsible for ensuring that all passengers are safe and comfortable during their journey.
   乘客交通部门负责确保所有乘客在旅途中安全舒适。