ITS information architecture, management and processing

ITS data are used mainly in real-time information service at present. The internal relations among them are ignored. In order to use ITS data fully, major characteristics of ITS information are analyzed. A structure of ITS information is brought forward in this paper, which applies data warehouse for decision-making of traffic and transportation management. Main aspects of the model are analyzed such as subject organization, attribute design, data refinement and online analytical processing. Examples are also presented in this paper.