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Elk`, -� Elk River Gravel Mmmgmn Area Plm <br /> River' <br /> Appendix B: Traffic Projection Process <br /> Daily traffic projections were developed to assess the roadway facilities needed to support traffic by the <br /> proposed land uses. In order to estimate the traffic impacts of the proposed land uses within the study <br /> area, it is also necessary to understand the expected background traffic growth. The traffic projection <br /> process consists of the following: <br /> • Existing traffic volumes <br /> • Background traffic growth <br /> • Trip generation -site-generated traffic <br /> • Trip distribution of site-generated traffic <br /> • Mode choice <br /> • Traffic assignment of site-generated traffic <br /> More detail on these steps is provided in the paragraphs below. <br /> Existing Traffic Volumes <br /> Existing traffic volumes are shown in Appendix B—Figure 1. As noted on the maps, volumes on US 169 <br /> in the study area range between approximately 26,000 and 31,000, with the higher volumes <br /> concentrated closer to CSAH 33. Traffic volumes on CSAH 33 range between approximately 2,000 and <br /> 4,000 cars a day, with the higher volumes on the west side of the interchange. These volumes are below <br /> the capacity of the roadway, so congestion on this route is fairly limited. Volumes on the remaining <br /> roadways within the study area are generally below 1,000 cars a day. Traffic counts were from 2013 <br /> MnDOT Traffic Flow Maps and generally represent traffic data collected between 2011 and 2013. <br /> 56 <br />