1. Associate Professor, Ph.D., School of Transportation, Southeast Univ., Sipailou 2#, Nanjing, 210096, CN, e-mail: gy@seu.edu.cn
2. Senior Engineer, Ph.D., Jiangsu Transportation Research Institute Co., LTD, 2200 Chengxin Rd., Nanjing, 210017, CN, e-mail: crj@ti.js.cn