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<br />all project traffic will use the arterials, <br />conservative approach. <br /> <br />for a more <br /> <br />Traffic Impacts Project Opening Year Conditions <br /> <br />proj ect traffic was added to the proj ect Opening Year traffic <br />volumes, and the study intersections were re-analyzed for <br />Project Build-out year plus Project peak hour operations. The <br />results are summarized on table T-4. As shown on Table T-4 with <br />the addition of project-related traffic, all study intersections <br />would continue to operate at an acceptable Level of Service in <br />both peak hours. The project would not generate a significant <br />impact, and no off-site mitigation of project impacts would be <br />required for the project. <br /> <br /> TABLE 4 <br /> SUMMARY OF PEAK HOUR INTERSECTION OPERATION <br /> PROJECT OPENING YEAR WITH PROJECT CONDITIONS <br /> AM Peak Hour PM Peak Hour <br />No. Signalized Intersection (City) 1 ICU LOS ICU LOS <br />1 Grand Ave @ Warner Ave 0.479 A 0.756 C <br />12 Grand Ave @ Brookhollow Dr 0.384 A 0.448 A <br />3 Grand Ave @ Dyer Rd 0.655 B 0.864 D <br />14 Main St @ Dyer Rd 0.537 A 0.748 C <br />5 Redhill Ave @ Dyer/Barranca 0.880 D 0.745 C <br /> AM Peak Hour PM Peak Hour <br />f-- Signalized Intersection (Caltrans) 1 <br />INo. Delay LOS Delay LOS <br />6 Grand Ave @ SR-55 SB Ramp 17.0 B 16.0 B <br />7 SR-55 SB Ramp @ Dyer Rd 29.2 C 27.6 C <br />8 SR-55 NB Ramp @ Dyer Rd 18.5 B 14.6 B <br />Intersections under the control of Caltrans are evaluated using the Highway Capacity Manual <br />methodology. All others are evaluated using the Intersection Capacity Utilization (ICU) method. <br /> <br />2025 General Plan Build Out Conditions <br /> <br />An analysis of Santa Ana General Plan Build-out Year 2025 was <br />conducted for this project. Forecast peak hour volumes for the <br />2025 Build-out condition were developed using the Orange County <br />Traffic Analysis Model (OCTAM) , which is developed and <br />maintained by the Orange County Transportation Authority (OCTA). <br />The 2025 General Plan Build-out conditions assume build-out of <br />all land uses as well as the implementation of transportation <br />infrastructure improvements identified in the City's Circulation <br />Element. Intersection operations for the 2025 General Plan <br />Build-out Condition were evaluated and the results are <br />34 <br /> <br />75A~4 <br />