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the proposed STR ban, and the traffic volume increase caused the CNEL level to now exceed 65 dBA, <br /> the STR ban could be considered to have caused a significant impact. <br /> The magnitude of a traffic noise increase is dependent on several factors including the traffic volume <br /> increase, the vehicle mix, and the local site conditions. Based on standard methodologies prescribed by <br /> the Federal Highway Administration (FHWA) and considering a vehicle mix typical of suburban/urban <br /> areas, traffic volume increases would be expected to result in the following traffic noise increases. <br /> Project-specific detailed analysis, including a traffic analysis, would be required to further evaluate. <br /> Nonetheless, the volume increases listed below suggest the traffic increases likely necessary to increase <br /> the existing traffic noise conditions would need to be significant. As shown in the Figure below, the <br /> existing hotel stock is in the area near Highway 55 that is either already above the noise standard of 65 <br /> dBA or near the standard. Therefore, adding additional traffic to this area due to the shift to hotels as a <br /> result of the STR ban or the addition of new hotels to the area has the potential to exacerbate the <br /> existing noise impacts or create a new noise impact. Therefore, this should be studied in more detail. <br /> ANOUt ME MAP.This map sr,p the—rene Menor levels of no,se created bycan,trucks.or trans traveling along roadways and rail Imes <br /> in the my The OrYs noise and land Use companbhty standards— N-II tpnsder a h.,levels above 66 decibels(dBA CNEL)to be <br /> geneNllymcompahble la—lenhal aM other—e—h—land Uses. <br /> GARDEN CROVE � ORANGE <br /> III. <br /> T. <br /> El <br /> ............. <br /> el <br /> m............... l \ <br /> COSTA MESA <br /> s,,....w.e..,amorrnw..e saris <br /> wshnL fl s Cwt- <br /> 10+dBA CNEL - Railway Coll MY Rwsa Larrawat lanl OIL)tN aror0-a 4p w N SWN lends <br /> a10 8neh!1 1050e to 00,Edellto ar Tpn 1,l.1.P00 <br /> 65 den cvEL am rm to�mare oo.to m aR.m,m am rN eaueda art nr„--.ha n <br /> 60 dBA CNEL hurMs mxms as rxnmea W;M tuna+ray Mrna ro asAvrtismaa amxn leeU <br /> FIGURE N-1 <br /> EXISTING NOISE CONTOUR IVTA ANA GENERAL PLAN Mail.. <br /> Figure 3. Contours from the Noise Element. Source: Noise Element, Santa Ana General Plan, Final, <br /> April 2022. <br /> 10/14 <br />