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2011•International Journal of Vehicle Noise and VibrationRequires access

Traffic noise assessment at National Highway 28 in India using FHWA model

Govind Pandey, Soni Dubey, Sujeet Tripathi

Open publisher page 7 citations

Abstract

Federal Highway Administration’s Traffic Noise Model (TNM) versions 2.1 and 2.5 have been analysed to determine their functionality and accuracy in the Indian context. Each of the resulting changes between predicted noise levels and observed noise levels are analysed, and the agreement diagram is developed between observed noise levels with predicted noise levels. During the measurements, traffic data were collected which were used to create a model of each measurement site. The FHWA model is found accurate within ±10%, and it can be used for flat road traffic noise prediction on Indian roads. The applicable speed of vehicles is between 30 km/h and 60 km/h, and traffic noise levels have been predicted 10 m from the roadside and at a height of 1.2 m from the surface of ground.

About this research paper

What this paper is about

Federal Highway Administration’s Traffic Noise Model (TNM) versions 2.1 and 2.5 have been analysed to determine their functionality and accuracy in the Indian context. Each of the resulting changes between predicted noise levels and observed noise levels are analysed, and the agreement diagram is developed between observed noise levels with predicted noise levels. During the measurements, traffic data were collected which were used to create a model of each measurement site. The FHWA model is found accurate within ±10%, and it can be used for flat road traffic noise prediction on Indian roads. The applicable speed of vehicles is between 30 km/h and 60 km/h, and traffic noise levels have been predicted 10 m from the roadside and at a height of 1.2 m from the surface of ground.

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Available abstract

Federal Highway Administration’s Traffic Noise Model (TNM) versions 2.1 and 2.5 have been analysed to determine their functionality and accuracy in the Indian context. Each of the resulting changes between predicted noise levels and observed noise levels are analysed, and the agreement diagram is developed between observed noise levels with predicted noise levels. During the measurements, traffic data were collected which were used to create a model of each measurement site. The FHWA model is found accurate within ±10%, and it can be used for flat road traffic noise prediction on Indian roads. The applicable speed of vehicles is between 30 km/h and 60 km/h, and traffic noise levels have been predicted 10 m from the roadside and at a height of 1.2 m from the surface of ground.

Key concepts: Traffic noise, Noise (video), Context (archaeology), Noise barrier, Road traffic, Roadway noise, Traffic speed, Noise level

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