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Proceedings of the Eleventh International Conference of Chinese Transportation Professionals, held in Nanjing, China, August 14–17, 2011. Organized by Chinese Overseas Transportation Association (COTA); Southeast University. Sponsored by the Transportation & Development Institute of ASCE; National Natural Science Foundation of China (NSFC).

This collection contains 434 peer-reviewed papers discussing critical transportation issues, sharing experience in transportation research and development, and exchanging ideas for future transportation studies.

Topics include:

• transportation policy and economics;
• transportation planning and modeling;
• traffic operations, management, and control;
• intelligent transportation systems (ITS);
• traffic safety and emergency response;
• transportation and sustainability;
• transit and rail systems;
• transportation infrastructure design and construction;
• pavement and materials engineering, and highway maintenance;
• logistics and freight transportation;
• vehicle technologies; and
• water transportation and aviation.

These papers are a valuable source of the-state-of-art research in transportation science and engineering and will be of interest to researchers, practitioners, and students of transportation engineering.