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January 2025 47 Environmental Analysis <br />The City may elect to implement appropriate mitigation measures as a condition of approval <br />of the proposed developments, where appropriate. All or part of the costs of these <br />improvements may be considered to be a negotiated credit toward the program, however <br />the program must be administered in a manner that assures that it can fund necessary <br />improvements to maintain adequate level of service at all intersections within this study. If <br />funding of priority improvements cannot be assured, credit for construction of lower priority <br />improvements may not be assured or may be postponed until more program funds are <br />available. (Impact 4.11-8) <br />MM4.11-5 Main Street at First Street—Install a second northbound and southbound left-turn <br />lanes and a dedicated northbound right-turn lane for 2030 and 2035 conditions. (Impact 4.11-8) <br />MM4.11-6 Lacy Street at Santa Ana Boulevard—Install a traffic signal and provide exclusive <br />left-turn lane for both northbound and southbound directions for both 2030 and 2035 conditions. <br />(Impact 4.11-8) <br />MM4.11-7 Lacy Street at First Street—Install a traffic signal for both 2030 and 2035 conditions, <br />a traffic signal, and provide exclusive left-turn lane for both northbound and southbound <br />directions for both 2030 and 2035 conditions. (Impact 4.11-8) <br />MM4.11-8 Santiago Street at Washington Avenue—Install a traffic signal and provide one <br />exclusive left-turn lane for both eastbound and westbound traffic for 2035 conditions only. <br />(Impact 4.11-8) <br />MM4.11-9 Santiago Street at Civic Center Drive—Install a traffic signal and provide: one <br />exclusive left-turn lane, one through lane, and one shared through and right-turn lane on <br />northbound and southbound approaches; and one exclusive left-turn lane and one shared <br />through and right lane on eastbound and westbound approaches. The improvement is only <br />needed for 2035 conditions. (Impact 4.11-8) <br />MM4.11-10 Santiago Street at Santa Ana Drive—Construct a second southbound left-turn lane <br />for 2035 conditions. The improvement is only needed for 2035 conditions. (Impact 4.11-8) <br />MM4.11-11 Santiago Street a Fourth Street—Install a traffic signal. The lane configuration for <br />the signal is recommended as 1 Left, 1 Through, 1 Through+ Right for all approaches. (Impact <br />4.11-8) <br />MM4.11-12 Standard Street at First Street—Construct third eastbound and westbound shared <br />through-right lanes for 2035 conditions. The improvement is only needed for 2035 conditions. <br />(Impact 4.11-8) <br />MM4.11-13 Grand Avenue at Santa Ana Boulevard—Construct a third southbound through lane <br />and eastbound right-turn overlap signal phasing. (Impact 4.11-8) <br />MM4.11-14 Grand Avenue at First Street—Construct a third eastbound shared through/right- <br />turn lane, a third westbound shared through/right-turn lane, and a third northbound through lane <br />with dedicated northbound right-turn lane for 2035 conditions. The improvement is only needed <br />for 2035 conditions. (Impact 4.11-8) <br />MM4.11-15 Grand Avenue at I-5 Northbound Ramps—Construct a second westbound right-turn <br />lane and for the I-5 northbound off ramp under both 2030 and 2035 conditions. (Impact 4.11-8) <br />MM4.11-16 I-5 at Santa Ana Blvd.—Northbound Off-Ramp—The City of Santa Ana Department <br />of Public Works shall coordinate with Caltrans for the installation of a second ramp lane for the <br />  <br />  <br />City Council 22 – 77 4/1/2025