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NOISE ASSIDC"IONS FOR <br />RD -77 -108 KODU.LING <br />I. Temporal Traffic Distribution Assumed (Percent) <br />Type- vf~Vehi.cle____ -_ -___ Day___- ___.._ -- Evening -- �-- - - - - -- Night <br />~_ <br />Automobile <br />75.51 <br />12.57 <br />9.34 <br />Medium Truck <br />1.55 <br />0.09 <br />0.19 <br />-Heavy Truck <br />0.64 <br />0.02 <br />❑.OS. <br />Note: Orange County EMA representing 31 arterial, intersections <br />throughout the County. <br />11. Road Grade Assumptions -- level terrain and roadway. <br />Ill. Roadway Widths --- for existing and future conditions were <br />provided by Willdan Associates. Typical roadway cross - sections <br />along Bristol Street are shown in Table 2 -1 on page 2 -2. <br />IV. Speeds Assumed -- for a worst case analysis, the posted <br />speed Limits were assumed for the noise modelling. Posted speeds <br />along Bristol Street is 40 mph from Memory Lane to Seventeenth <br />l Street and from Edinger Avenue to earner Avenue. Between Seven - <br />11 teenth Street and Edinger Avenue the posted speed limit is 35 <br />mph. These speed limits are not expected to change under future <br />conditions with or without the project. <br />f <br />15 <br />