This paper introduced the principle using highway dynamic weighing system to detect the traffic flow and axial load situation,through the data collection,analyzed the section traffic flow,traffic flow circadian distribution and axle load distribution,pointed out the highway dynam-ic weighing system played an important role in accurately design of pavement structure and pavement management.%对采用高速动态称重系统检测道路交通流量及轴载情况的原理作了介绍，通过数据采集，分析了断面交通量、交通量昼夜分布情况及轴载情况，指出高速动态称重系统对准确设计路面结构与路面管理具有重要作用。
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