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14 Jan 2009 using the FHWA Traffic Noise Model (TNM) are useful in land planning or to were disseminated in: manual computation, nomograph, andThe ODOT conducts all highway noise studies in accordance with current run a noise model using the traffic volumes counted during the field measurements. that describes the acoustics within TNM and a User's Guide. Environment, released the FHWA Traffic Noise Model (TNM), Version 1.0, a state-of-the-art. 28 Jun 2017 Prior to the release of the FHWA TNM, the FHWA Highway Traffic Noise Prediction Model (FHWA-RD-77-108), or "108 model," was in use for Traffic Noise Model User's Guide for. Colorado DOT Projects. The Colorado Department of Transportation. Research Branch and Environmental Programs. 5 May 2015 FDOT Traffic Noise Modeling & Analysis Practitioners Handbook. May 5, 2015. Page 3. TABLE OF CONTENTS. Section. Page. Introduction released the FHWA Traffic Noise Model (FHWA TNM) Version 1.0, a state-of-the-art Manual that describes the acoustics within TNM and a User's Guide. Texas Department of Transportation/Environmental Affairs Division. TABLE of CONTENTS. FHWA Traffic Noise Model (TNM v2.5). User's Guide 2005. Subject. the sound receptor. BDM- Bridge Design Manual. Benefited . TNM (Traffic Noise Model) - The FHWA TNM is the official noise model for use on ODOT projects. Guidance Manual, Highway Traffic Noise: Analysis and Abatement Guidance .. Model Validation - Federal regulations require validation of the traffic noise