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33 <br /> Pe:ea.n rao� <br /> Lognficz Pak <br /> Sumemmyrt�z� <br /> r <br /> Noise Study <br /> FHWA Traffic Noise Model(TNM(v2.5 <br /> • Modeled Existing,Future No Build,and Future Build <br /> Used PM peak hour traffic(worst case) <br /> Field Measurements to determine existing conditions and validate model <br /> • Modeled receptors at properties along Old NC 86 and Davis Road <br /> • Accordingp to FHWA noise abatement criteria,a level that is considered <br /> impacteUis 66 decibels(dB(A)(or more <br /> • NCDOT considers a substantial increase impact between no build and <br /> build of 10 dB(A)or more <br /> • A sound level of 3 dB(A)or less is not perceptible to human hearing. <br /> • According to the results,no receptors were over 66 dB(A(in the build <br /> scenario and only one met the cntena of a substantial increase. <br /> • All other properties indicate an increase of 2.2 dB(A(or less,which is in the <br /> imperceptible range <br /> __ .. <br />