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Table 6 -AMIPM Peak Hour Intersection Analysis <br />Opening Year (2013) With Project Conditions <br />Signalized Intersections <br />AM Peak Hour <br />PM Peak Hour <br />LOS "E" <br />ICU Method <br />ICUILOS <br />ICUILOS <br />OK <br />Main Street at Dyer Road <br />0.6921 B <br />0.8401 D <br />Main Street at MacArthur Boulevard <br />0.6881 B <br />0.7101 C <br />x <br />Main Street at Sandpointe Avenue <br />0.3281 A <br />0.4851 A <br />Main Street at Sunflower Avenue <br />0.4151 A <br />0.7401 C <br />MacArthur Place at MacArthur Boulevard <br />0.7441 C <br />0.7071 C <br />x <br />SR -55 SB Ramps at MacArthur Boulevard <br />0.7341 C <br />0.6581 B <br />x <br />SR -55 NB Ramps at MacArthur Boulevard <br />0.7931 C <br />0.6691 B <br />Red Hill Avenue at MacArthur Boulevard <br />4.5801 A <br />0.819 I D <br />x <br />HCM Method <br />Delay /LOS <br />Delay /LOS <br />SR -55 SB Ramps at MacArthur Boulevard <br />19.61 B <br />18.1 1 B <br />x <br />SR -55 NB Ramps at MacArthur Boulevard <br />20.41 C <br />17.41 B <br />Note: ICU Delay is in seconds/vehicle <br />Long Range (2035) With Project Conditions <br />Table 7 illustrates the long range traffic conditions with the addition of project - related traffic to the <br />surrounding street system. Traffic volumes were derived by adding the tong range trips to the long <br />range background traffic volumes. As shown, all study intersections will operate at acceptable LOS for <br />the 2035 with project conditions. <br />Table 7 - AMIPM Peak Hour Intersection Analysis <br />Long Range (2035) With Project Conditions <br />Signalized Intersections <br />AM Peak Hour <br />PM Peak Hour <br />LOS "E" <br />ICU Method <br />ICUILOS <br />ICUILOS <br />OK <br />Main Street at Dyer Road <br />0.8651 D <br />0.8941 D <br />Main Street at MacArthur Boulevard <br />4.731 1 C <br />4.8201 D <br />x <br />Main Street at Sandpointe Avenue <br />0.3591 A <br />0.5471 A <br />Main Street at Sunflower Avenue <br />0.6891 B <br />4.8101 D <br />MacArthur Place at MacArthur Boulevard <br />0.8081 D <br />0.7941 C <br />x <br />SR -55 SB Ramps at MacArthur Boulevard <br />0.7921 C <br />0.7441 C <br />x <br />SR -55 NB Ramps at MacArthur Boulevard <br />4.8471 D <br />0.7141 C <br />Red Hill Avenue at MacArthur Boulevard <br />0.6421 B <br />0.8441 D <br />x <br />HCM Method <br />Delay /LOS <br />Delay/LOS <br />SR -55 SB Ramps at MacArthur Boulevard <br />24.71 C <br />18.31 B <br />x <br />SR -55 NB Ramps at MacArthur Boulevard <br />21.81 C <br />18.21 B <br />Note: ICU Delay is in seconds/vehicle <br />Determination of Significant Impact <br />Traffic impacts for the proposed project are determined by comparing the traffic conditions in the <br />future without the project to future conditions with the project, giving special consideration to locations <br />where LOS is not forecast to be adequate. Traffic impacts are identified as significant if the proposed <br />project results in a significant change in traffic conditions on a roadway or intersection. The thresholds <br />to determine significant traffic impacts for the proposed project are as follows: <br />MacArthur Place South EIR - 2011 Addendum 41 <br />