I. Introduction
Urban transport problems is a worldwide problem, intelligent traffic control is the most effective technical support means of improving the existing road network line efficiency and scientific management Intelligent. Transportation Systems (ITS) is a ground transportation management system that integrated effectively used advanced artificial intelligence technology, computer technology, automatic control technology, information and communication technologies and electronic sensor technology and so on, and its goal is to make the function of smart cars and roads, improve transport efficiency, guarantee traffic safety, ease traffic congestion and reduce air pollution.