Abstract:The main roads in the central city are generally built earlier. With the acceleration of urbanization and the development of social economy, the current municipal transportation and pipelines can no longer meet the needs of users along the route. The road surface is damaged to varying degrees, which affects the safety and comfort of driving. The lack of uniformity and standardization of municipal facilities in various cities along the line has seriously affected the road traffic and urban surrounding image, and restricted the improvement and further development of the city image. Aiming at the design essentials of the main road reconstruction in the central city, the aspects of road function positioning, longitudinal section control, pavement materials, rail transit coordination, management, and treatment of existing trees are set forth.