Abstract:Taking Huanghe Avenue Expressway with the composite functions in Jinan as an example, from the perspectives of intensive utilization of underground space resources and service for urban development, the line direction, laying form, entrance and exit layout, and standard cross-section layout of road-rail co-constructed urban underground expressway are systematically studied, and the key nodes, structural engineering, disaster prevention and rescue, and intelligent transportation are specially analyzed and designed, which can provide some reference for the similar projects.