On the basic, the idea and method of freeway traffic volume prediction are introduced.
在此基础上着重介绍了高速公路交通量预测研究的思路和方法。
Combine some local basic situations at first, is analysed and starts with from the volume of traffic, confirm that plans to build the grade of the road.
首先结合当地的一些基本情况，从交通量分析入手，确定拟建道路的等级。
The models of traffic density under the conditions of different levels of service are established according to the basic relationship among the velocity, volume and density.
车流密度、行车速度和交通流量是反映交通流特征的三个基本参数，三者关系的确定和模型的建立是交通工程理论研究的基础。
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