Contemporary highways are developing towards intelligence, gradually forming the technological concept of smart highways. Smart expressway proposes to introduce Internet thinking and technology to reconstruct the mechanical and electrical system and management services of traditional expressway. The initial construction task is to improve the level of expressway operation and management and the quality of travel services through information exchange and sharing, data fusion and mining, and realize the informatization and intelligence of provincial expressway monitoring and management, emergency command, auxiliary decision-making, business handling, travel guidance and other services. The future development trend is to introduce vehicle road communication technology to achieve synergy between people, vehicles, roads, and the environment.Model making software: 3ds Max 2014 Rendering software: vray3.60.03 for 3dmax2014 Note: The tree planting plugin is used in the scene:MultiScatter1.20.12for 3dmax2014 There are various layers of buildings in the scene of the 3ds Max file, making it convenient for users to choose according to their needs.