Including but not limited to motor vehicle lanes, non motor vehicle lanes, rail transit, sidewalks, public parking lots, squares, pipeline corridors and safety passages, road shoulders, guardrails, street signs, land for road construction and road greening control, and other ancillary facilities of the road within the construction area.

In recent years, YPDI has participated in multiple public engineering design projects and general contracting projects, and has rich experience in design, construction, and management in this field.