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Traffic noise compliance is governed by sections of the National Environmental Policy Act (NEPA) that address the avoidance and mitigation of traffic noise impacts resulting from roadway projects and the Federal Aid Highway Act. This act mandates FHWA to develop and promulgate guidelines and standards for highway noise levels. Environmental practitioners can use these tools to prepare materials compliant with those regulations.

Questions? Contact the traffic noise specialist at (512) 416-3025.

Title Date Description Format
Environmental Handbook for Traffic Noise 01/15 Provides a regulatory background and outlines the steps necessary to comply with the sections of NEPA that address the avoidance and mitigation of traffic noise impact.
Building Barriers to Traffic Noise Brochure 06/11 Informs the public about noise pollution, how it is measured and what steps are appropriate to mitigate excessive traffic noise
Construyendo Barreras al Ruido del Trafico Folleto 06/11 Spanish language brochure of Building Barriers to Traffic Noise brochure
Examples of Recommended Text for Documenting Traffic Noise Analyses 04/14 Recommended text to be used when preparing NEPA documents specific to traffic noise
Guidelines for Analysis and Abatement of Highway Traffic Noise 03/11 Guidance on roadway traffic noise analysis and abatement for federal projects. It describes TxDOT’s implementation of the requirements of the Federal Highway Administration (FHWA) Noise Standard at 23 Code of Federal Regulations (CFR) part 772.
User’s Guide: Traffic Noise Model
2005 A detailed guide to using FHWA’s Traffic Noise Model 2.5 for TxDOT projects
Code of Federal Regulations, Title 23, Part 772: Procedures for Abatement of Highway Traffic Noise and Construction Noise   Provides FHWA procedures for noise studies and noise abatement measures pursuant to the standards mandated by 23 USC 109, and all highway projects developed in conformance with this 23 CFR 772 have met the FHWA noise standards
Highway Traffic Noise: Analysis and Abatement Guidance   Provides guidance from FHWA for the applying the strictly voluntary 23 CFR 772 in the analysis and abatement of highway traffic noise based on lessons learned and best practices; it does not constitute the establishment of an FHWA standard
FHWA Highway Traffic Noise Website   Provides guidance to control the undesirable effects of highway traffic noise using a three-part approach: noise compatible planning, source control and highway project noise mitigation
FHWA Highway Traffic Noise: Traffic Noise Model Web Page   Provides guidance about the background of the FHWA Traffic Noise Model (FHWA TNM) and links with additional information
FHWA Highway Traffic Noise: Measurement of Highway-Related Noise Web Page   Provides guidance for measuring different aspects of highway noise to determine or predict community impacts during urban planning; for using a precise, uniform, field measurement practice that allows a valid comparison of results from similar studies performed by a variety of transportation practitioners and researchers; and for determining existing noise in the vicinity of a highway or determining vehicle noise emissions 

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