Traffic noise in a high-rise city

Abstract

Extensive results of traffic noise measured at 258 roadside sites in the high-rise city of Hong Kong are reported. From the results of this investigation the measurement sites can be very simply classified into three categories: enclosed, semi-enclosed and open. Distinct differences were found in the sound pressure levels L 10 , L 50 and L 90 and in the standard deviations obtained at the enclosed site and at the semi-enclosed and open sites. Comparison with the results of similar measurements of traffic noise in other cities indicates that Hong Kong can be considered as the noisiest. © 1978.