1. College of Traffic & Transportation, Chongqing Jiaotong University, Chongqing 400074, China
2. Zhejiang Communication Construction Group Co., Ltd., Hangzhou 310051, China
3. School of Civil Engineering and Architecture, Zhejiang Sci-Tech University, Hangzhou 310018, China
4. Pan’an County Road and Transportation Management Center, Jinhua 322300, China
5. Chongqing Municipal Research Institute of Design, Chongqing 400020, China