[1] Beijing Transport Inst, 9 Liuliqiao South lane, Fengtai Dist, Beijing 100073, Peoples R China
[2] Beijing Key Lab Transport Energy Conservat & Emiss, 9 Liuliqiao South lane, Fengtai Dist, Beijing 100073, Peoples R China
[3] Hong Kong Polytech Univ, Dept Land Surveying & Geoinformat, Hung Hom, Hong Kong, Peoples R China
[4] Hong Kong Polytech Univ Shenzhen Res Inst, Shenzhen, Peoples R China
[5] Beijing Jiaotong Univ, Key Lab Transport Ind Big Data Applicat Technol Co, 3 Shangyuancun, Xizhimenwai, Beijing 100044, Peoples R China