一、前言近年以来,随着改革、开放、搞活经济的新形势,我国各地汽车数量逐年激增。仅京沪两地,1985年一年即各增加3～5万辆。然而,道路面积、路况和设施却远远不能适应,致使交通拥塞、运力下降、事故频繁、污染严重。其中,交通噪声公害的泛滥已越来越引起人们的关注。深知其危害性、研究并提出对策和防 I. Introduction In recent years, with the new situation of reform, opening up and invigorating the economy, the number of cars in various parts of China has surged each year. Only Beijing and Shanghai, 1985, a year that each increase 3 to 5 million. However, the road area, road conditions and facilities are far from being able to adapt to them. As a result, traffic congestion, capacity decline, frequent accidents and serious pollution are caused. Among them, the flood of traffic noise pollution has drawn more and more people’s attention. Know its harmfulness, research and propose countermeasures and prevention