It takes the special high speed railway line revenue maximization as the upper level programming; the user balance model chosen by passengers 'modes of transportation is regarded as the middle level programming and passenger ticket sales process as the lowest level programming. 将客运专线收益最大化作为上层规划,以旅客旅行方式选择的用户平衡分配模型作为中层规划,以客票销售规则流程模型作为下层规划。