An analysis of roadway noise at residential estates in close proximity to expressways in Singapore

An analysis of roadway noise at residential estates in close proximity to expressways in Singapore

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Singapore is a city-state of 5 million people.The entire urban population has expanded from 4.4 million to 5 million 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 Vision-Based Autonomous Landing of a Quadrotor on the Perturbed Deck of an Unmanned Surface Vehicle the residents to expressway noise.Recognizing the problems of noise in a high-density urban society such as Singapore, the National Environmental Agency of Singapore (NEA) has set prescribed noise limits for residential areas.

The purpose of this paper is to analyze the noise level in one such development that is adjacent Mapping Land Cover and Tree Canopy Cover in Zagros Forests of Iran: Application of Sentinel-2, Google Earth, and Field Data to an expressway, examine the effect of building height on noise and to compare the results with the NEA standards.The paper concludes with the implications of the results and a discussion on the solution to the problem.