名词
中文翻译：交通部门
同义词：
['transportation department', 'transportation authority']
例句：
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1. The transit department is responsible for managing the city's public transportation system.
交通部门负责管理城市的公共交通系统。
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2.The transit department has been working on improving the efficiency of the bus service.
交通部门一直在努力提高公交车服务的效率。
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3. The transit department is considering new measures to reduce congestion during peak hours.
交通部门正在考虑新的措施，以减少高峰时段的拥堵。