With the rapid development and upgrading of mobile communication technologies, the informatization and intelligentization of all walks of life increasingly rely on the strong guarantee of wireless communications. Therefore, accurate channel information and reliable wireless coverage are crucial. Ray tracing technology can be used for various communication scenarios in different industries. By establishing effective three-dimensional environment models, based on the electromagnetic parameters of materials and antenna parameters, and relying on high-performance computing engines, optical ray technologies can be introduced into the field of electromagnetic computing, and can accurately characterize the propagation mechanisms such as reflection, scattering, diffraction, and transmission as well as their impacts on wireless systems. This paper introduces the high-performance ray tracing simulation platform developed by the authors. Focusing on the application cases of the high-performance ray tracing technology in the field of intelligent transportation, it expounds the technical advantages of the ray tracing technology in the field of wireless network planning and optimization, wireless channel modeling and channel characterization in various fields of intelligent transportation, such as railway, water transportation, highway transportation, etc. It is expected that the high-performance ray tracing simulation technology can be better leveraged to enhance the high-quality development of modern transportation.