Utah Administrative Code (Current through November 1, 2019)

R930-3-4. Noise Impact Determination

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A traffic noise impact occurs, for purposes of this policy, when either of the following conditions exists at a sensitive land use:

(1) The design noise level is greater than or equal to the UDOT Noise Abatement Criterion (NAC) in Table 1 for each corresponding land use category; or

(2) The design noise level substantially exceeds (ten dBA or more) the existing noise level.

                    
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