1. School of Traffic and Transportation Chongqing Jiaotong University Chongqing China
2. School of Civil and Engineering Chongqing Jiaotong University Chongqing China
3. School of Open Learning and Education Yunnan Open University Yunnan China
4. Zunyi Highway Administration Bureau of Guizhou Province Zunyi China
5. School of Information Science and Engineering Chongqing Jiaotong University Chongqing China
6. China Merchants Roadway Information Technology (Chongqing) Co., Ltd. Chongqing China