随着我国公路和航空业的迅速发展，加之旅客收入水平提高，铁路客运的市场份额受到越来越大的挑战。速度和票价是客运服务质量的主要特征，对各种运输工具的市场占有率具有很大的影响。为此，铁路已全面开展旅客列车提速，以加强竞争。要使提速达到预期的效果，需要研究提速幅 With the rapid development of the highway and aviation industry in our country and the increase in passenger income, the market share of railway passenger transport is increasingly challenged. Speed ​​and fare are the main features of passenger service quality and have a great impact on the market share of various means of transport. To this end, the railway has been speeding up passenger trains in all aspects to enhance competition. Speed ​​to achieve the desired effect, the need to study speed