以南京地铁2号线设备为例，介绍基于通信的列车控制（CBTC）线路信号故障时的行车组织方法，并结合实例阐述其在实际地铁行车工作中的应用，同时对实际工作中易产生的问题和解决方案进行分析。

This paper taking nanjing Metro line 2 devices, for instance, Introduces the CBTC signal failure of train operation method. Combined with instance explains its application in the actual work in metro transportation. At the same time easy to practical work problems and solutions are analyzed.