通过对多路径Logit分配模型及经典的Dail算法的研究,并针对Logit分配模型及Dail算法的缺陷,提出的一种改进的Logit模型及相应改进的Dail算法,对交通分配及速度求解速度都有非常重要的意义。 Based on the research of multi-path Logit distribution model and classical Dail algorithm, aiming at the defects of Logit assignment model and Dail algorithm, an improved Logit model and the corresponding improved Dail algorithm are proposed to both traffic assignment and speed solving Very important meaning.