1. Assistant Professor, School of Transportation Engineering, Shandong Jianzhu Univ., Jinan 250101, China; Assistant Professor, School of Traffic Institute, Kashi Univ., Kashi 844008, China.
2. Postgraduate Student, School of Transportation Engineering, Shandong Jianzhu Univ., Jinan 250101, China.
3. Lecturer, School of Transportation Engineering, Shandong Jianzhu Univ., Jinan 250101, China (corresponding author).
4. Assistant Professor, School of Transportation Engineering, Shandong Jianzhu Univ., Jinan 250101, China.
5. Deputy Director, Shandong Taishan Communications Planning and Design Consulting Co., Ltd., Taian 271000, China.