After analyzing the urban traffic control system ' s development tendency of integration and intelligentization , this paper researched on the basic principle , prototype system and the system architecture of the new iutcs , and analyzed the physical architecture and logical architecture which consist of three layers : central network control layer , area network control layer and intersection control layer 介紹了目前城市交通控制系統(tǒng)的發(fā)展趨勢集成化和智能化,在此基礎(chǔ)上研究了所開發(fā)的集成化城市交通控制系統(tǒng)的開發(fā)原理、系統(tǒng)原型和系統(tǒng)結(jié)構(gòu)(包括系統(tǒng)物理結(jié)構(gòu)及邏輯結(jié)構(gòu)) 。