本文论述了目前我国开行以组合列车为主的重载运输中中间越行点改建的若干重要问题,其中包括设置越行点的必要性、影响越行点数量和设置地点诸因素的分析、越行点股道有效长的确定、越行点图型的选择以及越行点合设与分设等问题。 This article discusses a number of important issues about the reconstruction of cross-over points in heavy-haulage trains that are mainly composed of combined trains at present in our country, including the necessity of setting the crossing point, the analysis of the factors influencing the number of crossings and the location of setting, The determination of the effective length of the stock market, the selection of the more point patterns and the establishment of more points and the separation of other issues.