Facing the problem of using one-way traffic in the city is blind and following suit, in this paper, the evaluation index is determined from two aspects of traffic operation and traffic impact and then the evaluation index of traffic operation status of one-way traffic area is obtained according to the principle of "reflecting the comprehensive, independent and convenient for each other". Next, by means of analytic hierarchy process and combined with the traffic planning of Ningbo City, the

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... fic weight of the selected index is determined finally to establish a multi index comprehensive evaluation model suitable for using in Ningbo City.