FHWA Traffic Noise Model version 1.1 user's guide (Addendum)
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2000-09-30
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NTL Classification:AGR-IMPACTS-Environment;NTL-HIGHWAY/ROAD TRANSPORTATION-Pavement Management and Performance;NTL-ENERGY AND ENVIRONMENT-Environment Impacts;
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Abstract:In March 1998, the Federal Highway Administration (FHWA) Office of Natural Environment,
released the FHWA Traffic Noise Model (FHWA TNM) Version 1.0, a state-of-the-art
computer program for highway traffic noise prediction and analysis. Since then, the
FHWA, with assistance from the Volpe Center Acoustics Facility (Volpe Center) and
Foliage Software Systems (FSS), have released updates of TNM (Versions 1.0a and 1.0b)
in March 1999 and August 1999, respectively. In support of the FHWA and the California
Department of Transportation, the Volpe Center and FSS released Version 1.1 in
September 2000. Two companion reports were released with TNM Version 1.0, a Technical
Manual that describes the acoustics within TNM and a User’s Guide. In addition, prior
to TNM release, a data report was published that describes the vehicle noise-emissions
data base within TNM.
This document is an addendum to the FHWA TNM Version 1.0 User's Guide. It details the
enhancements in the program up to and including Version 1.1.
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