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11-8-21
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11-8-21
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6/15/2023 9:41:47 AM
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City Meetings
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Drainage and Flooding Committee
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Agenda Packet
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Brookglen Stormwater Detention Basin <br />Traffic Impact Study <br />3.2.2 Existing Conditions with Rerouting <br />Peak hour trips on the abandoned roadways were distributed onto the street system based on <br />existing traffic patterns and street layout. Figure 7 shows the roadways that will be eliminated as <br />part of this mitigation plan. <br />Due to the abandonment of the roadways, intersection of Gladwyne Lane / Oakhaven Road will <br />not exist. Stop signs are not necessary at the intersections of Gladwyne Lane/Ashwyne Lane <br />and Gladwyne Land/Brookwood Drive as there is no conflicting turning movements. Therefore, <br />LOS is not reported in redistributed conditions for the above two intersections. <br />Existing conditions with rerouting analysis include remaining study intersections, showing a small <br />increase in through trips. Figure 7 also shows the new lane configuration with rerouting that was <br />used for this traffic analysis. Existing Conditions with Rerouting weekday AM and PM peak hour <br />trips and LOS are presented in Figure 8. Traffic delays, v/c ratio, and LOS during weekday AM <br />and PM peak hours are summarized in Table 5. <br />Table 5 <br />Intersection Level of Service Î Existing Conditions with Rerouting <br />Intersection Weekday AM Peak Weekday PM Peak <br />1212 <br />Movement <br />LOS Delay V/C LOS Delay V/C <br />Somerton Dive / Ashwyne Lane <br />Eastbound <br />A 9.9 0.01 A 9.4 0.01 <br />Westbound <br />A 9.3 0.01 A 9.3 0.01 <br />Ashwyne Court / Ashwyne Lane <br /> <br />Eastbound A 7.2 0.00 A 7.2 0.00 <br />Southbound <br />A8.4 0.01 A8.4 0.00 <br />LOS Î Level of Service <br />1 <br />Delay is in seconds per vehicle <br />2 <br />V/C Î Volume to Capacity Ratio <br />During weekday AM and PM peak hours, the two stop-controlled intersections in the study area <br />continue to operate at LOS A, with similar levels of intersection delay. Detailed Synchro reports <br />are included in Appendix C. Percent change in trips from the existing to the reconfigured <br />conditions is shown in Figure 9. <br /> <br /> <br />10|Page <br /> <br /> <br />
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