Intelligent transportation system ( ITS) is the development direction of future traffic system, it is the advanced information technology, data communication transmission technology, electronic sensor technology, control technology and computer technology to effectively integrated with the whole ground traffic management system and establish a large range, all-round function, real-time, accurate and efficient integrated transportation management system. ITS can make effective use of existing traffic facilities, reduce traffic load and environmental pollution, ensure traffic safety and improve transportation efficiency. The Chinese association of universities and enterprises of the Internet of things believes that the development of intelligent transportation is inseparable from the development of the Internet of things. Only with the continuous development of the concept of the Internet of things, can the intelligent transportation system become more and more perfect.Intelligent transportation is the embodiment of transportation. Intelligent transportation is a service system for transportation based on modern electronic information technology.Its prominent feature is the main line of information collection, processing, release, exchange, analysis and utilization, providing diversified services for traffic participants.