抄録
This paper, consisting of the following three sections, describes the current state of the evaluation of traffic noise and the countermeasure applied to each traffic facility. First, in addition to the outline of noise effect, the limits and guidelines for environmental noise proposed by EPA and WHO to maintain a good living environment arc introduced. Second, residents' complaints and reactions to various traffic noises, the legal system for environmental noise in Japan, the characteristics of noise limits and standards, and the result of comparison of them using L_<Aeq> as a noise index are reported. Finally, the outline of countermeasure developed by each traffic facility and the degree of achievement of noise reduction are introduced.