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Existing Conditions <br />Existing Peak Hour Intersection Level of Service <br />The study area was observed during both the morning and the evening peak hours. The indicated levels <br />of service shown in Table I are representative of observed traffic conditions in the study area. <br />Appendix D Contains the level of service analysis worksheets for Existing Conditions. <br />Table I — AM/PM Peak Hour Intersection Analysis <br />Existing conditions <br />Signalized Intersections <br />AM Peak Hour <br />PM Peak Hour <br />LoS =_ <br />E „ <br />ICU Method <br />ICU/LOS <br />ICU/LOS <br />OK <br />Main Street at Dyer Road <br />0.659 ! B <br />0.815 ! D <br />Main Street at MacArthur Boulevard <br />0.555 ! B <br />0.579 ! B <br />x <br />Main Street at Sandpointe Avenue <br />0.297 l A <br />0.4591 A <br />Main Street at Sunflower Avenue <br />0.393 l A <br />0.704 ! C <br />MacArthur Place at MacArthur Boulevard <br />0.5871 B <br />0.5741 B <br />x <br />SR -55 SB Ramps at MacArthur Boulevard <br />0.5941 B <br />0.5151 B <br />x <br />SR -55 NB Ramps at MacArthur Boulevard <br />0.7571 C <br />0.5331 B <br />Red Hill Avenue at MacArthur Boulevard <br />0.5581 A <br />0.791 l C <br />x <br />HCM Method <br />Delay/LOS <br />Delay/LOS <br />SR -55 SB Ramps at MacArthur Boulevard <br />18.91 B <br />17.1 / B <br />x <br />SR -55 NB Ramps at MacArthur Boulevard <br />19.51 B <br />15.71 B <br />iwxe: i%.0 - inxersecuon %- apacity uuiization, ueiay is in seconvsivenicie, LU3 _ Levei or service <br />As shown in Table I, all study intersections operate at an acceptable level of service during the AM and <br />PM peak hours for Existing Conditions. <br />Figure 4 illustrates the Existing (2010) AM /PM peak hour traffic volumes. <br />KOA CORPORATION Updated Main and MacArthur Development Project <br />' PLANNING S ENGINEERING 11 Traffic Impact Study in City of Santa Ana <br />