Supplementary material

[Luo1Cheng]

Hello， I would like to express my admiration for the outstanding work and significant academic contributions you have made in this research. Your paper has provided valuable insights and a solid foundation for understanding urban road networks！

But, I noticed that there are supplementary materials mentioned in your paper, which I believe would be beneficial for me to further comprehend your work and its implications. Therefore, I kindly request if you could provide a download link or share the supplementary materials with me. I assure you that these materials will be used strictly for academic purposes and will not be shared or distributed without your permission.