The traditional travel demand model usually bases itself on the od study survey and employs a 4-step modeling process including trip generation, trip distribution, mode choice and assignment.
传统的交通需求4阶段分析模型大多基于各类出行的起讫点调查(OD调查),建立出行生成、出行分布、出行方式选择和流量分配的4阶段预测模式。