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TABLE 3.7-2. PROJECT GENERATED SOUND LEVEL INCREASES <br />ROADWAY TRAFFIC SOUND LEVEL <br />SEGMENT INCREASE, % INCREASE, dBA <br />MacArthur Drive, <br />north of Linne <br />Road 6.0 0.25 <br />Chrisman Road, <br />south of Bates <br />Road 0.6 0.025 <br />Linne Road, <br />west of MacArthur <br />Drive <br />1.5 <br />0.07 <br />Valpico Road, <br />east of MacArthur <br />Drive <br />6.0 <br />0.25 <br />Fairoaks Road, <br />south of Bates <br />Road <br />35.0 <br />1.3 <br />Source: Earth Metrics Incorporated, 1987. <br />Railroad Traffic <br />- The developer should perform a detailed acoustical study when designing <br />the lot layout of the subdivision to determine which design would reduce <br />noise to acceptable levels. <br />Gravel Truck Traffic <br />- Any permit application for gravel operations in the area should include <br />a truck route analysis to determine those routes which impact the least <br />on pavement sections and existing residential development. <br />3.7-5 <br />