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SAN LEANDRO GENERAL PLAN UPDATE FINAL EIR <br />CITY OF SAN LEANDRO <br />EXECUTIVE SUMMARY <br />LTS = Less Than Significant S = Significant SU = Significant Unavoidable Impact N/A = Not Applicable <br />PLACEWORKS 2-19 <br />TABLE 2-1 SUMMARY OF IMPACTS AND MITIGATION MEASURES <br />Impact <br />Significance <br />before <br />Mitigation Mitigation Measures <br />Significance <br />after <br />Mitigation <br /> Provide an overlap signal phase for the northbound right <br />turns. <br /> Optimize the traffic signal cycle length and splits in conjunction <br />with adaptive traffic control technology. <br />Upon implementation of the first three measures, intersection <br />operations would improve to LOS D during the AM and PM peak <br />hours. The availability of right-of-way for the required widening <br />on the south leg of the intersection is uncertain; therefore, the <br />measures may be infeasible. Consequently, the Cumulative with <br />Proposed Plan impact remains significant and unavoidable. <br /> Washington Avenue and San Leandro Boulevard (#15): The <br />addition of Cumulative with Proposed Plan traffic would cause <br />the intersection level of service to degrade from LOS C to LOS F in <br />the AM peak hour. Therefore, the Cumulative with Proposed Plan <br />impact is considered to be significant. <br />Implementation of the following measure would improve <br />intersection operations during the AM peak hour to LOS D: <br /> Optimize the traffic signal cycle length and splits in conjunction <br />with adaptive traffic control technology. <br />Upon implementation of this measure, intersection operations <br />would improve to LOS D during the AM peak hour and lessen the <br />Cumulative with Proposed Plan impact to less than significant. <br /> San Leandro Boulevard and Marina Boulevard (#16): The addition <br />of Cumulative with proposed Plan traffic would cause the <br />intersection level of service to degrade from LOS D to LOS F in the <br />AM peak hour and LOS C to LOS F in the PM peak hour. <br />Therefore, the Cumulative with proposed Plan impact is <br />considered to be significant. <br />Implementation of the following measures would improve <br />intersection operations during the AM and PM peak hours: <br /> Add a northbound left-turn lane on San Leandro Boulevard to <br />provide two exclusive left-turn lanes, one exclusive through <br />lane and one shared through/right-turn lane. (Consistent with