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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 2-23 <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 />lanes as well as between right-turning vehicles and <br />movements with the right-of-way. <br /> Optimize the traffic signal cycle length and splits. <br />Upon implementation of these measures, intersection operations <br />would improve to LOS D during the PM peak hour. Even if this <br />intersection was under City control, the availability of right-of- <br />way for the required widening on the east leg of the intersection <br />is uncertain; therefore, the measure may be infeasible. This <br />intersection is under Caltrans’ jurisdiction, and the <br />implementation and timing of the mitigation measures are not <br />under the City’s control. Consequently, the Cumulative with <br />Proposed Plan impact remains significant and unavoidable. <br /> Doolittle Drive and Marina Boulevard (#31): The addition of <br />Cumulative with Proposed Plan traffic would cause the <br />intersection level of service to degrade from LOS C to LOS F in the <br />AM peak hour and from LOS D to LOS E 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 to <br />LOS D and lessen the Cumulative with proposed Plan impact to <br />less than significant: <br /> Restripe the eastbound approach on Marina Boulevard to <br />provide an exclusive left-turn lane, an exclusive through lane <br />and a shared through/right-turn lane. (Consistent with the <br />findings of the San Leandro Shoreline Development Project <br />EIR). <br /> Optimize the traffic signal cycle length and splits. (Consistent <br />with the findings of the San Leandro Shoreline Development <br />Project EIR). <br /> Implement a right-turn overlap signal phase for the <br />northbound and westbound approaches. (A new mitigation <br />not called for in the San Leandro Shoreline Development <br />Project EIR). <br /> Alvarado Street and Aladdin Avenue (#35): The addition of