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• A significant project impact occurs when the ICU value increases by greater than .O1 and <br />achieves unacceptable level of service (E or F) or worse <br />Table 8 illustrates a comparison of study intersections under Opening Year (2013) conditions. As <br />shown, the proposed project will not generate a significant impact to the intersections within the study <br />area. <br />Table 8 - Determinations of Traffic Impacts (Opening Year (2013) Conditions) <br />Signalized Intersections <br />AM Peak Period <br />PM Peak Period <br />2013 NP <br />2013 WP <br />Increase <br />Impact <br />2013 NP <br />2013 WP <br />Increase <br />Impact <br />ICU/LOS <br />ICU/LOS <br />ICU <br />ICU/LOS <br />ICU/LOS <br />ICU <br />Main Street at Dyer Road <br />0.6871 B <br />0.6921 B <br />.005 <br />NO <br />0.8391 D <br />0,8401 D <br />.001 <br />NO <br />Main Street at MacArthur Boulevard <br />0.6841 B <br />0.6881 B <br />,004 <br />NO <br />0.6981 B <br />0.7101 C <br />.012 <br />NO <br />Main Street at Sandpointe Avenue <br />0,3081 A <br />0.3281 A <br />.020 <br />NO <br />0.481 1 A <br />0.4851 A <br />,004 <br />NO <br />Main Street at Sunflower Avenue <br />0.4051 A <br />0.4151A <br />.010 <br />NO <br />0.7251 C <br />0.7401 C <br />,015 <br />NO <br />MacArthur Place at MacArthur Boulevard <br />0.7061 C <br />0.7441 C <br />.038 <br />NO <br />0.6941 B <br />0.7071 C <br />.013 <br />NO <br />SR -55 SB Ramps at MacArthur Boulevard <br />0.7141 C <br />0.7341 C <br />.020 <br />NO <br />0.6341 B <br />0,6581 B <br />.024 <br />NO <br />SR -55 NB Ramps at MacArthur Boulevard <br />0,7781 C <br />0.7931 C <br />.015 <br />NO <br />0.651 1 B <br />0.6691 B <br />.018 <br />NO <br />Red Hill Avenue at MacArthur Boulevard <br />0.5741 A <br />0,5801 A <br />.006 <br />NO <br />0.8131 D <br />0.8191 D <br />.006 <br />NO <br />Signalized Intersection HCM Method <br />Delay/LOS <br />Delay/LOS <br />Delay <br />Impact <br />Delay/LOS <br />Delay/LOS <br />Delay <br />Impact <br />SR -55 SB Ramps at MacArthur Boulevard <br />19.31 B <br />19.61 B <br />0.3 <br />NO <br />17.41 B <br />18.11 B <br />0.7 <br />NO <br />SR -55 NB Ramps at MacArthur Boulevard <br />20.1 1 C <br />20,41 C <br />0.3 <br />NO <br />16,91 B <br />17.41 B <br />0.5 <br />NO <br />Note: ICU = Intersection Capacity Utilization. Delay is in seconds. LOS = Level of Service. <br />Table 9 illustrates the comparison of study intersections under Long Range (2035) conditions. As <br />shown, the proposed project will not generate a significant impact at any intersection within the study <br />area. <br />Table 9 - Determinations of Traffic Impacts (Long Range (2035) Conditions) <br />Signalized Intersections <br />AM Peak Period <br />PM Peak Period <br />2035 NP <br />2035 WP <br />Increase <br />Impact <br />2035 NP <br />2035 WP <br />Increase <br />Impact <br />ICU/LOS <br />ICU/LOS <br />ICU <br />ICU/LOS <br />ICU/LOS <br />ICU <br />Main Street at Dyer Road <br />0.8621 D <br />0.8651 D <br />0.003 <br />NO <br />0.8921 D <br />0.8941 D <br />0.002 <br />NO <br />Main Street at MacArthur Boulevard <br />0.7251 C <br />0.7311 C <br />0,006 <br />NO <br />0.8091 D <br />0.8201 D <br />0.011 <br />NO <br />Main Street at Sandpointe Avenue <br />0.3221 A <br />0,3501 A <br />0,028 <br />NO <br />0.5421 A <br />0,5471 A <br />0.005 <br />NO <br />Main Street at Sunflower Avenue <br />0.6731 B <br />0.6891 B <br />0.016 <br />NO <br />0.7931 C <br />0.8101 D <br />0,017 <br />NO <br />MacArthur Place at MacArthur Boulevard <br />0.7631 C <br />0.8081 D <br />0.045 <br />NO <br />0.7761 C <br />0.7941 C <br />0.018 <br />NO <br />SR -55 SB Ramps at MacArthur Boulevard <br />0.771 1 C <br />0.7921 C <br />0.021 <br />NO <br />0.7191 B <br />0.7441 C <br />0.025 <br />NO <br />SR -55 NB Ramps at MacArthur Boulevard <br />0.8331 D <br />0.8471 D <br />0.014 <br />NO <br />0,691 1 B <br />0.7101 C <br />0.019 <br />NO <br />Red Hill Avenue at MacArthur Boulevard <br />0.6361 B <br />0.6421 B <br />0,006 <br />NO <br />0.8351 D <br />0.8401 D <br />0.005 <br />NO <br />Signalized Intersection HCM Method <br />Delay/LOS <br />Delay/LOS <br />Delay <br />Impact <br />Delay/LOS <br />Delay/LOS <br />Delay <br />Impact <br />SR -55 SB Ramps at MacArthur Boulevard <br />20.31 C <br />20.71 C <br />0.4 <br />NO <br />17.51 B <br />18,31 B <br />0.8 <br />NO <br />SR -55 NB Ramps at MacArthur Boulevard <br />21,41 C <br />21.81 C <br />0.4 <br />NO <br />17.61 B <br />18.21 B <br />0.6 <br />NO <br />Note: ICU = Intersection Capacity Utilization. Delay is in seconds. LOS = Level of Service. <br />Conclusions <br />The 2011 Traffic Study analyzed eight critical intersections for the Opening Year (2013) conditions <br />and Long Range (2035) conditions. The study found that the proposed project would have no <br />significant impact at any study intersections. No new mitigation measures are required and the <br />previous analysis in the FEIR remains adequate and complete in the area of traffic impacts. <br />MacArthur Place South EIR - 2011 Addendum 42 <br />