Traffic congestion evacuation effect evaluation method based on WIFI

The invention relates to a traffic congestion evacuation effect evaluation method based on WIFI. The method comprises the following steps of 1) installing a WIFI wireless router on a detected road section and acquiring mobile phone address information in the road section; 2) selecting a previous moment of traffic induction information issuing and recording the mobile phone address information at the moment, taking the information as a sample set A and extracting a quantity a in the sample set A; 3) setting a sampling period T, successively recording a mobile phone address information quantity bi connected to a last moment Ti of each sampling period T after the traffic induction information is issued and taking the information quantity bi as a sample set B; and 4) using an evacuation evaluation model and calculating an induction effect, wherein the effect includes an evacuation rate and an evacuation speed. By using the method of the invention, problems that traffic congestion evacuation evaluation means are l