This book is a textbook for the purpose of general higher education. The book consists of eleven chapters, which systematically elaborates the basic theory and method of the traffic design and its application technology, including Introduction, Basic theories of the traffic design, Traffic problems and analysis of its characteristics, Basis and conditions of the traffic design, Traffic design of urban road, Bus traffic design, Hub traffic design, Traffic design of parking lot (garage), Traffic safety design, Traffic language system design, Assessment and analysis of traffic design technology. This book is vital for regular higher education in the field of traffic engineering. It is used as the teaching textbook or reference book for not only the postgraduate programs in the field of transport engineering, but also the elective courses designed for the urban planning and civil engineering specialities. In addition, it is referable for the technical and managerial personnel, who are engaged in urban planning, architectural design, municipal engineering design, road planning and design, and public traffic and traffic management.