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Lennar – Little Canada <br />Traffic Analysis <br />April 25, 2022 <br />Page 5 <br /> <br /> <br />A summary of the existing crash data is shown in Table 1. The crash diagrams showing the crash <br />locations within each intersection are shown in Figure 4 and Figure 5. The crash rate and <br />severity rate for each of the intersections are also shown below in Table 2. <br /> <br /> <br />able 1: Crash Data Summary <br />Location <br />Crashes <br />2017 2018 2019 2020 2021 Total <br />Crashes PD PI PD PI PD PI PD PI PD PI <br />Edgerton St (CSAH 58) at <br />Centerville Rd (CSAH 19) 0 2 4 1 1 1 1 0 0 4 14 <br />Centerville Rd (CSAH 19) at <br />Little Canada Rd (CSAH 21) 1 0 1 0 3 0 1 1 4 0 11 <br /> <br /> <br />Table 2: Crash Rate Summary <br />* – Intersection crash rates are expressed in crashes per million entering vehicles <br />** - Average for specific traffic control using MnDOT 2020 green sheets <br />*** – Critical crash rates are expressed in crashes per million entering vehicles with 0.9 9 confidence level <br /> <br /> <br />The data shows that the intersection of Edgerton Street (CSAH 58) at Centerville Road (CSAH <br />19) has a calculated crash rate and severity rate that is above the MnDOT Metro and Statewide <br />average rates. Right angle and rear end crashes make of almost 60% of the crashes in the <br />intersection. In addition, there were 2 bike crashes reported over the 5-year period in the <br />intersection. Most of these crashes involve westbound Centerville Road (CSAH 19) / County <br />Road D traffic at 40mph and northbound Edgerton Street (CSAH 58) traffic at 40mph not <br />expecting a stop-controlled intersection. <br /> <br />The intersection of Centerville Road (CSAH 19) at Little Canada Road (CSAH 21) has a <br />calculated crash rate just slightly over the Metro and Statewide average with a severity rate less <br />than the average. <br /> <br />Proposed Roadway Configuration <br /> <br />To provide access to the proposed Lennar residential site the following roadway con ditions were <br />assumed: <br /> <br />• Vanderbie Street extension to Centerville Road (CSAH 19). <br />• Side street stop control on Vanderbie Street at Centerville Road (CSAH 19). <br />• Extension (restriping) of the center left turn lane on Centerville Road (CSAH 19) to the <br />proposed Vanderbie Street intersection. <br />Location <br />Number <br />of <br />Crashes <br />Daily <br />Entering <br />Vehicles <br />Crash Rate* Severity Rate <br />Calc Ave Critical*** Calc Ave** <br />Edgerton St (CSAH 58) at <br />Centerville Rd (CSAH 19) 14 7,450 1.03 0.27 0.67 1.99 0.50 <br />Centerville Rd (CSAH 19) at <br />Little Canada Rd (CSAH 21) 11 11,150 0.54 0.51 0.94 0.59 0.71