1. Transportation Engineering College, Dalian Maritime University, Dalian, China
2. Department of Business and Administration, ILMA University, Karachi, Pakistan
3. Department of Civil Engineering, College of Engineering, Qassim University, Buraydah, Saudi Arabia
4. School of Engineering, University of British Columbia, Kelowna, BC, Canada
5. Intelligent Transportation Systems Research Center, Wuhan University of Technology, Wuchang District, Wuhan, China