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Josh Nyquist, Executive Director of Building OperationsApril28, 2022 <br />PACT Charter School | Traffic Impact Study tğŭĻЊБ <br />CombinedSunday A.M. St. Katharine Drexel ChurchDevelopment Conditions <br />The Sunday a.m. church related existing geometrics, traffic control, and traffic volumes and traffic <br />operations analysis related to the adjacent future proposed St. Katharine Drexel Churchhave been <br />combined with year 2028 No-Build and Build scenario Sunday a.m. church peak hour (9:30-10:30 <br />a.m.) traffic operations analyses.Results of the combinedSunday a.m. church peak hour traffic <br />operations analysis (shown in Table 7)indicate that all study intersections are expected to operate at <br />an acceptable overall LOS Aduring the peak hour under existing traffic control and intersection <br />geometrics. No significant queuing or delay issues were identifiedin this analysis. <br />Table 8.Sunday A.M. St. Katharine Drexel ChurchCombinedConditions Peak Hour TrafficAnalysis <br />Existing Sunday2028 No-Build Sunday2028 Build Sunday <br />A.M.Peak HourA.M.Peak HourA.M.Peak Hour <br />Study Intersection <br />LOSDelayQueueLOSDelayQueueLOSDelayQueue <br />(1) <br />A/A9 sec.NB/1A/A9 sec.NB/1A/A9sec.NB/1 <br />Variolite Street/173rd Avenue <br />(1) <br />A/A10sec.WB/1A/A10sec.WB/1A/B11 sec.WB/1 <br />Variolite Street/161st Avenue <br />(1) <br />A/A10sec.SB/1A/A10sec.SB/1A/A10sec.SB/1 <br />Variolite Street/Alpine Drive <br />(1) <br />A/B12sec.WB/1A/B12sec.WB/1A/B12sec.WB/1 <br />Armstrong Boulevard/161st Avenue <br />(1) <br />A/B14 sec.WB/1A/B15 sec.WB/1A/C16 sec.WB/1 <br />Armstrong Boulevard/Alpine Drive <br />(1) <br />------A/A10 sec.SB/1 <br />161st Ave/Primary Site (West) Access <br />(1) <br />--------- <br />161st Ave/SecondarySite (East)Access <br />(2) <br />A/A10 sec.SB/1A/A10 sec.NB/1A/A10 sec.NB/1 <br />Ramsey Boulevard/Alpine Drive <br />(1) <br />A/B11sec.EB/1A/B11sec.EB/1A/B11sec.EB/1 <br />175th Avenue/Nowthen Boulevard <br />(1)Indicates a side-street stop-controlled intersection, where the overall LOS is shown followed by the worst approach LOS. The delay shown represents the <br />worst side-street approach average delay per vehicle. The queue shown is the 95th percentile queue (in vehicles) forthe worst approach at the intersection. <br />The 95th percentile queues shown in redboldfontspill back to and beyond the adjacent upstream intersection. <br />(2)Indicates anall-way stop-controlled intersection, where the overall LOS and average delay per vehicle are shown. The queue shown is the 95th percentile <br />queue (in vehicles) for the worst side-street approach at the intersection. The 95th percentile queues shown in redboldfontspill back to and beyond the <br />adjacent upstream intersection. <br />Proposed Site Access/CirculationReview <br />A review of the proposed PACT Charter Schooldevelopment site plan (see Figure 4) was completed <br />to identify issues specific to the site plan configuration,site access and circulation and recommend <br />potential improvementsifneeded.Vehicular access to/from the proposed site is planned at two <br />locationson 161st Street: a primary (west) site access approximately 600 feet west of Variolite Street <br />and a secondary (east) site access approximately 1,150 feet west of Variolite Street. <br />Based on field observations, engineering judgement and applicable standards, there is adequate sight <br />distance at theproposed site accesslocationsto clearly identify approaching vehicles. Consideration <br />should be made to limit any sight distance impacts from future onsite structures, landscaping and <br />signing. The proposed site plan is generally well configured and the proposed site access locations do <br />not appear to represent any significant traffic safety or operations concerns. <br /> <br />