An analysis of roadway noise at residential estates in close proximity to expressways in Singapore
Singapore is a city-state of 5 million people.The entire urban population has expanded from 4.4 million to 5 million here in a matter of 5 years.Because of the scarcity of land available, more major roads and expressways are being run close to residential developments, exposing the residents to expressway noise.Recognizing the problems of noise in