This text introduces in details the transportation information system; the rule can be made according to the system and sends in a specific way for carrying out. The ITS is composed of data collect model, data process model, RDS and etc.%智能交通系统提供路况、拥塞、事故、安全等各种交通信息和旅客需要知道的各种服务信息，基于此利用CPS定位采集、道口传感器、路口摄像机、RFID卡等多种现代化的采集方式使车辆、道路智能化，达到缓解道路拥堵、减少交通事故、节约能源的目的。
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