U.S. Department of Transportation
Federal Highway Administration
Office of Environment and Planning
Noise and Air Quality Branch
Studies have shown that some of the most pervasive sources of noise in our environment today are those associated with transportation. Traffic noise tends to be a dominant noise source in our urban as well as rural environment. In response to the problems associated with traffic noise, the United States Code of Federal Regulations Part 772 (23 CFR 772), "Procedures for Abatement of Highway Traffic Noise and Construction Noise," establishes standards for mitigating highway traffic noise.
The purpose of this document is to provide Federal Highway Administration (FHWA) policies and guidance for the analysis and abatement of highway traffic noise. A 3½-day training course, sponsored by the National Highway Institute, is available for instructing FHWA field and State highway agency (SHA) staffs in the details of the policies and the technical procedures required for analyzing and abating traffic noise impacts.
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