Abstract
China's urban development is very fast, and the continuous improvement of the national economic level in recent years has also prompted most families to have their own scooters. In this situation, the increase and transformation of road traffic has been a necessary work for the development of various regions. This paper starts with the basic reasons for the design of new and improved interchanges, and expounds the specific design type division and main influencing factors. Finally, the paper puts forward the design strategy of newly added and reconstructed interactive interchanges with high feasibility, hoping to provide reasonable reference for relevant road traffic engineering optimization.