According to the latest technology used in vehicles, signal, ticket examination and safety system, the author holds that UMT in China has been greatly improved.

• 论述了我国城市轨道交通在车辆、信号、检票和安全系统设备方面的最新技术，并说明我国现代城市轨道交通技术装备水平已有了质的飞跃。