Noise Abatement
Traffic Noise is increased by heavier traffic volumes, higher speeds and a
greater percentage of trucks. ITD environmental studies involving major highway
improvements must analyze existing noise levels and predict future noise levels
to determine noise impacts. All traffic noise studies prepared for ITD projects
must adhere to procedures and requirements as established by federal law, Federal
Highway Administration (FHWA) regulations, and ITD noise analysis guidelines.
Additional information concerning the Noise Policy can be found under “1300
Noise” in the ITD
Environmental Process Manual
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Noise Barrier / Sound Walls along I-84
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Noise Barrier / Sound Walls along State Highway 55
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Noise Barrier / Sound Walls along Nampa Caldwell Boulevard
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