近年来,运输里程在1000公里以上的超长途客运线路事故多发,引起了人们对于其安全性的质疑。超长途客运线路存在安全隐患,一旦发生事故就容易造成群死群伤。对此,有专家建议,应该逐渐减少甚至取消超长途客运线路。另一方面,卧铺客车作为超长途客运线路的主要运输载体,已经被停止生产和销售,这对于超长途线路又是一个考验。 In recent years, accidents involving over 1000 km of long-haul passenger lines have caused many people’s questions about their safety. Long-distance passenger line there is a security risk, in the event of an accident it is easy to cause mass death. In this regard, some experts suggest that the ultra-long-distance passenger lines should be gradually reduced or even canceled. On the other hand, sleeper bus, as the main transport carrier of ultra-long-distance passenger line, has been stopped production and sales, which is a test for the ultra-long-distance route.