Traffic noise analysis protocol : for new highway construction, reconstruction and retrofit barrier projects.
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2006-08-01
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Abstract:The purpose of this Traffic Noise Analysis Protocol for New Highway
Construction, Reconstruction, and Retrofit Barrier Projects (Protocol) is
to present California Department of Transportation (Caltrans) policies and
procedures for applying 23 CFR 772 in California. This Protocol applies
to Caltrans and local agency projects that receive Federal funding or
require FHWA approval action.
A noise study conducted according to this Protocol should contain the
analysis required for completion of environmental documentation under
the National Environmental Policy Act (NEPA) or California
Environmental Quality Act (CEQA). Refer to the Caltrans Standard
Environmental Reference (SER) for guidance on procedures for
implementing NEPA and CEQA (California Department of Transportation
2006). In addition, Caltrans has prepared a document titled Technical
Noise Supplement (TeNS) (California Department of Transportation
1998a) to assist noise analysts with the technical aspects of noise impact
analysis. The TeNS supplements this Protocol and contains Caltrans noise
analysis procedures, practices, and other useful technical background
information related to the analysis of highway noise impacts and
abatement.
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