What are the urban rail transit teams and what tasks do they undertake (at least two)?

Urban rail transit teams are divided into four categories:

Construction (maintenance) management group of driving operation team and passenger operation team Other operation teams simply put, driving operation team serves vehicles, passenger operation team serves passengers, and maintenance operation team serves station equipment and facilities. For example, the maintenance team can be roughly divided into four categories: electromechanical, power supply, communication and construction, and its team management content can be summarized as: safety management, production management, skill management and comprehensive management. Comprehensive management includes materials, attendance, 5S, discipline, publicity, entertainment and other small modules.