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<br />LINSCOTT, LAW & GREENSPAN, engineers LLG Ref. 2-17-3881-1 <br />Tustin Avenue Retail, Santa Ana <br />N:\3800\2173881 - Tustin Avenue Retail, Santa Ana\Report\3881 - Tustin Avenue Retail, Santa Ana TIA 03-13-18.doc <br /> 11 <br />3.4 Existing Level of Service Results <br />Table 3-3 summarizes the existing peak hour service level calculations for the four (4) key study <br />intersections based on existing traffic volumes and current street geometrics. Review of Table 3-3 <br />indicates that three (3) of the four (4) key study intersections currently operate at an acceptable level <br />of service during the AM and PM peak hours. The exception is SR-55 SB Ramps at Fourth Street, <br />which currently operates at unacceptable LOS E during the AM peak hour. <br />Appendix C presents the ICU/LOS calculation worksheets for the four (4) key study intersections for <br />the AM peak hour and PM peak hour. <br />2-76