On the basis of analyzing the FHWA traffic noise model,a simplified calculation model which shows the relationship between the increase of traffic volume and traffic noise increase,is put forward.

• 在分析影响交通噪声传播要素的基础上,基于FHWA公路交通噪声预测模型,提出公路交通噪声增加量随车流量变化的简化计算模型,探讨其在公路建设项目环境保护中的应用及其适用条件。