| The process of new urbanization and the continuous promotion of traffic construction in China have strengthened the economic and personnel exchanges between cities of different scales and administrative levels,and spawned and expanded cross city commuting groups.It is of great significance to study the traffic mode that can meet the travel needs of such groups and provide them with more suitable travel solutions for promoting the development of urbanization with higher quality.The improvement of mobile phone coverage and the rapid development of mobile communication technology provide a solid support for better understanding the travel needs of cross city commuters.By analyzing the signaling data of mobile phone,we can obtain the time and space location of anonymous users in a reliable range of accuracy,so as to understand the user activity state.Based on the analysis of signaling data,this paper attempts to build a cross city commuter traffic mode and its evaluation method.In the aspect of mobile signaling data overview,this paper introduces the basic information of mobile signaling data,and analyzes the connotation of "cross city commuter group" which is not clear at present.On this basis,the data characteristics,advantages and disadvantages of mobile signaling data are interpreted,and the applicability of mobile signaling data in the study of cross city commuter group travel characteristics is analyzed.In the aspect of data cleaning and mining,by crawling the administrative boundary coordinate information,the data within the research scope is screened.The design algorithm cleans the invalid data and drift data,obtains the information of stop point,extracts the spatial distribution of cross city commuter groups’ occupation and residence,and realizes the data visualization by drawing the thermal diagram and other ways.At the same time,using the personal information of users in the data,the cross city commuter groups are depicted.In the aspect of cross city commuting traffic mode research,based on the existing research results,a cross city commuting traffic mode configuration model is established with the minimum commuting time and energy consumption as the optimization goal and the commuting cost,pollution emission and construction funds as the constraints.At the same time,through the transformation of the evaluation goal,the adaptability evaluation system of cross city commuting traffic mode to commuting group size is established.Finally,Taking Guiyang as an example,the research results are applied to the analysis of cross city commuting behavior,and good results are obtained. |