Fig. 1. Differences in intercity travel networks between weekdays and Golden Week

Fig. 2. Diagram of city roles based on the method of the intra-inter group importance parameter

Fig. 3. Rank-size distribution of WDC_i of intercity travel network for weekdays and Golden Week

Fig. 4. Spatial distribution of DIT_i and its absolute changes for weekdays and Golden Week

Fig. 5. Division of city roles on weekdays and during Golden Week

Fig. 6. Spatial distribution of the dominant flows of the intercity travel network on weekdays and during Golden Week

Fig. 7. Comparison of spatial patterns of the intercity travel network for weekdays and Golden Week

Fig. 8. City links with an advantageous connectivity index (RSL) in the intercity travel network for weekdays and Golden Week

Fig. 9. Divisions and changes of community structure for weekdays and Golden WeekNotes: (1) Different bars represent different communities and are arranged according to the PageRank value of the community city. The higher the PageRank value, the lower the position and the higher the importance and status of the community in the network. (2) The horizontal streamlines connecting different communities in the two periods indicate the changes of cities in each community between weekdays and Golden Week, and their width is directly proportional to the number of cities in each community. (3) To clearly show the changes in the communities between the two periods, the left panel highlights the changes between weekdays and Golden Week of the Beijing-Shanghai community and the Guangzhou-Shenzhen community, while the right panel highlights the changes in the other communities.

Fig. 10. Comparison of intercity travel distance between weekdays and Golden Week