The 12th COTA International Conference of Transportation Professionals (CICTP 2012) will be held on August 3~6, 2012, in Beihang University (BUAA), China. The CICTP 2012 is jointly organized by Beihang University, China ITS Center at Research Institute of Highway affiliated with China Ministry of Transport, Chinese Overseas Transportation Association (COTA), and American Society of Civil Engineers (ASCE).