一、影响繁忙线路运营的几个主要因素铁路货流量和车流量每月、每日都在变化,即其季节性和日间变化毫无规律。季节性运输的无规律现象是因月间货运量的变化(如农产品)和途中须经河、湖、海洋水运造成的。货运量和列车编成辆数因日而异,一昼夜内列车运行的无规律现象也是客观存在的。 First, several major factors that affect the operation of busy lines Rail traffic and traffic flow every month, daily changes, that is, its seasonal and day-to-day changes without law. The irregular phenomenon of seasonal transport is caused by changes in the monthly cargo volume (such as agricultural products) and the passage of rivers, lakes and seas on the way. The volume of freight and the number of train compilation varies from day to day, and the irregular phenomenon of train operation within an entire day and night is also objective.