Fuel consumption and pollution might be reduced by smoothing traffic flow and running vehicles close enough to each other to benefit from aerodynamic drafting.
车流通畅，相互紧随行驶的车辆能利用前车产生的较小的空气阻力，这些都可能减少油耗和污染。
Traffic information is the base of dynamic traffic management. Better collection of the information is the premise of smoothing the traffic management.
信息是动态交通管理的基础，做好信息采集是顺畅交通管理的前提。
Through the data obtained by fieldwork, the paper forecasts the short-term traffic by three methods: moving-average method, index-smoothing method, AR model method.
本文通过实地调查获取的交通流量数据，分别采用移动平均法、指数平滑法、AR模型法三种交通流预测方法进行短时交通流量预测。
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