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1111111111 uuu <br />1111111 <br />IIIIIIIIII H'W <br />uumm io .. ° 'iu uuu <br />.911111110 <br />Planning -level cost estimates were prepared for each concept. These estimates use unit cost estimates <br />multiplied by estimated quantities for key elements such as pavement and shoulder area, as well as <br />other major items such as earthwork, erosion control, and traffic control. <br />The cost estimates for intersection improvements on CSAH 5 at CR 63 (Green Valley Road), 175th <br />Avenue, and CSAH 56 (Ramsey Boulevard) assumed full highway reconstruction within the limits of <br />geometric improvements. The roundabout cost estimate is a general cost based on the size and <br />configuration of the concept. For the realignment concepts it was assumed the county road would <br />remain a rural typical section with no signals, or shared use paths, and intersection lighting only. A <br />conservative pavement section was included to determine pavement, excavation, and subgrade costs. <br />A detailed fee sheet is included in the appendix. <br />m :I IiiI Dings tricorn IIII iiir ul iiu Illl: iiil iiir Sul i intios <br />Year 2040 crashes were estimated using the existing crash data and existing year and year 2040 daily <br />volumes at each study area intersection. The expected reduction in crashes were calculated by applying <br />the crash reduction factors for each concept to the year 2040 crashes. To convert the crash reductions <br />into a dollar amount, the crash cost for each severity type was applied to the reduction in that <br />corresponding severity. The crash costs for each crash severity were provided by the Highway Safety <br />Imp orerlerrt Program from the Minnesota Department of Transportation. The expected crash cost <br />savings are shown in Table 17 to Table 22. <br />Table 1" : IExlpectea Cost Savings 1f'ir m Ili <br />Crash Severity Cost per Crash <br />IK $1.3300,.000 <br />A $750,.000 <br />113 $230,.000 <br />C $11..20,.000 <br />IF'II::) $1...3,000 <br />Ipir verernts CS, IH 5/ CR 63 (Green alley IR aaa ) <br />Recorded Crashes Crash Reduction Savings/5 Years <br />0 <br />0 <br />0 <br />0 <br />0.68 $8 840 <br />Total $t3,t340 <br />