伴随国民经济发展与改革步伐的加快,为解决日益增加的交通紧张问题,我国的各大城市均已掀起轨道交通建设狂潮。文章通过讲述移动闭塞信号系统的原理以及基本构成,在与准移动闭塞制式的信号系统的对比中,进一步阐述移动闭塞制式信号系统的优势与缺点,并对其未来的发展进行展望。 With the acceleration of national economic development and reform, and in order to solve the increasing problem of traffic jams, major cities in our country have set off a frenzy of rail transit construction. In this paper, the principle and the basic structure of the mobile closed signal system are introduced, and the advantages and disadvantages of the mobile closed system signal system are expounded in comparison with the signal system of the quasi-mobile closed system, and the future development of the system is prospected.