Intelligent transportation is an important part of smart city. With the development of cloud computing，internet of things，big data and mobile internet，intelligent transportation has become an important means to solve traffic congestion，safety issues，energy consumption and other problems. On the basis of describing the concept of intelligent transportation，this paper enumerates the relevant policies and plans of intelligent transportation issued by the government or local authorities. Then，the current status of intelligent transportation in areas of highway，waterway，urban road and comprehensive transportation are proposed. Aiming at the hot topics，this paper elaborates the applications and supporting technologies of intelligent transportation on information services in the whole travel chain，automatic driving，intelligent highway and public transport. Finally，the tendency of intelligent transportation in China is analyzed in terms of connected and automatic vehicle，traffic big data，smart traffic management and comprehensive information services.