Abstract:In order to enhance the scientificity and rationality of municipal engineering design in the complex mountainous environment, the traffic function, landscape effect, integration with the surrounding geographical environment, reasonable project duration, engineering cost, engineering safety, carbon emission and the other factors are introduced to carry out the green design of Road No. 4 in Huagou Area. The effects of reasonable alignment of the project, safe and economical structural design, perfective traffic function, and better integration of the road with the surrounding topography and geographical environment are realized.