The wind power equipment transportation channel has the functions of municipal road and wind farm approach road. By investigating the size of offshore wind turbine equipment, and the structural parameters and loading requirements of the special transportation vehicles , the building limits of the channel are clarified. And the value limits of the plane and longitudinal section design elements are analyzed according to the dynamic performance, turning tracks and traffic requirements of the vehicles. At the same time, the simulation software is used to simulate the sweeping space of the ultra-long blade transport vehicles at intersection, and the design scheme of intersection is optimized to ensure the spatial trafficability and safety of wind power equipment.