The PhD in Transportation at Chang'an University (CHD) is a comprehensive program designed for international students interested in deepening their understanding of complex transportation systems and their influence on global connectivity. Conducted entirely in English, this program ensures inclusivity, allowing students from diverse backgrounds to engage fully with the curriculum and contribute to significant research in the field of transportation. This rigorous academic track covers essential areas such as transportation engineering, traffic management, and logistics, merging theoretical knowledge with practical research to tackle modern transportation challenges. Key focus areas within the program include sustainable transportation solutions, intelligent transportation systems, and urban mobility, alongside an exploration of the socio-economic impacts of transportation policies. Students benefit from the expertise of faculty members, receiving mentorship that enables them to undertake cutting-edge projects. A multidisciplinary approach enriches the program, incorporating insights from urban planning, environmental science, and public policy to prepare students for leadership roles across academia, government, and industry. Located in Xi'an, a city steeped in historical significance, students can immerse themselves in a vibrant cultural setting while pursuing their studies. Graduates exit well-prepared to address contemporary transportation issues and drive the future of global mobility.