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1. PROJECT DESCRIPTION <br />Orrin Thompson Homes is proposing to build a residential development on the <br />Miske Property located south of County Road 13 (Twin Lakes Road) and west of <br />County Road 40 (Davis Street) in Elk River, MN (see Figure 1). The site is <br />currently occupied by one farmstead. The proposed development will include <br />547 single family homes and 174 townhomes (see Figure 2). This report <br />addresses the traffic impact of the proposed development on the area roadway <br />network. <br />2. EXISTING CONDITIONS <br />Traffic operations were analyzed for the a.m. and p.m. peak hours at the <br />following six intersections: <br />• Trunk Highway 169 and County Road 12 (Main Street) <br />• County Road 12 (Main Street) and County Road 13 (Line Avenue/Zane <br />Avenue) <br />• County Road 12 (Main Street) and County Road 40 (Cleveland Street) <br />• County Road 13 (Twin Lakes Road) and County Road 40 (Davis Street) <br />• County Road 40 (Davis Street) and proposed development North Road <br />• County Road 40 (Davis Street) and proposed development South Road <br />The existing lane configurations and traffic control for the four existing <br />intersections are shown in Figure 3. <br />TDI staff collected a.m. and p.m. peak hour turning movement counts at the four <br />existing study intersections in April 2004. The data is included in the Appendix. <br />The existing peak hour traffic volumes are shown in Figure 4. <br />An intersection capacity analysis was conducted for the four existing <br />intersections per the Highway Capacity Manual. The intersection is assigned a <br />"Level of Service" letter grade based on the intersection geometry, traffic <br />volumes, and traffic control. Level of Service A (LOS A) represents light traffic <br />flow (free flow conditions) while Level of Service F (LOS F) represents heavy <br />traffic flow (over capacity conditions). LOS D is considered acceptable in urban <br />conditions, although LOS C or better is preferred. A Level of Service grade is <br />also calculated for each stop controlled approach at an unsignalized intersection. <br />The existing a.m. and p.m. peak hour LOS results are shown in Tables 1 and 2 <br />(the LOS calculations are included in the Appendix). <br />Orrin Thompson Homes, Elk River, MN 1 EAW Appendix A <br />Traffic Impact Report Apri! 2004 <br />