The cultivation of innovative talents of science and technology in colleges and universities is an important and long-term goal of quality education. It is also the necessary and basic requirements to strengthen the comprehensive quality education of college students. This paper analyzes the current situation of the cultivating innovation ability of undergraduates in traffic engineering of Beijing University of Technology. Based on a questionnaire survey, the situation and existing problems of cultivating innovation ability of undergraduates in traffic engineering is proposed. Some suggestions on promoting scientific and technological innovation ability of undergraduates have been come up with from the aspects of the environmental construction of scientific and technological innovation platform, multiple tutorial systems etc. The research conclusion has certain reference for the cultivation of innovative talents in traffic engineering.