The design parameters that affect the stability of CWR tracks demonstrate obvious random variation, and the analysis of CWR track stability by means of probability is essential.

• 无缝线路稳定性的设计参数（道床横向阻力、轨道原始弯曲、钢轨温升幅度、扣件阻矩系数）具有明显的随机性，运用概率方法对无缝线路稳定性进行分析是十分必要的。