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<br />yds of aggregate from the expanded sites in the next 25 to 30 years at the rate <br />of approximately 15,000 to 20,000 cu yds per year. The volume of insitu <br />aggregate in the north, south and eastern expansion sites is approximately <br />1 889,000 cu yds. This insitu volume should be adequate to provide 500,000 cu <br />~ ' yds of commercial aggregate. <br />The location of the main entrance to the project will remain unchanged. The <br />entrance is a 3-legged intersection with CR 521. Figure 3 presents the existing <br />' traflc volumes for the PM worst case conditions for the intersection of CR 521 <br />and the site access road. Figure 4 indicates the projected traffic volumes at <br />' the site entrance and CR 521 with the proposed, expanded gravel pit operation. <br />' Trip Generation <br />1 <br />' The trip generation rates are based on the projected total aggregate to be <br />removed, the total concrete mixers in use, the pdpu traflc to the site and other <br />' vehicles necessary for gravel pitJconcrete batch plant operation. There is a <br />' large difference in the trips generated by the site from summer to winter. The <br />geometric design calculations are based upon summer peak operation but the <br />1 average annual trip generation is used for the pavement EAI; calculations. <br /> <br />The trip generation for the build-out case is shown in Table N. <br />' 12 <br /> <br />