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Cily Place Sky Lofts Final Environmental Impact Report Findings 4.2.1 1 TRANSPORTIATION AND TRAFFIC IMPACTS RELATED TO 2030 SIGNALIZED INTERRSECTIONS AT CALTRANS RAMPS 4.2.1 L 1 Potentially Significant Adverse Impacts Related to 2030 Signalized Intersections at Caltrans Ramps As discussed in Section 4.13 (Transportation and Traffic) of the EIR, for the 2030 signalized intersections at Caltrans ramps, the intersections of SR 22 eastbound ramps/Lawson Way at Town & Country Road and Main Street at 1-5 HOV ramps/I-5 northbound off-ramp/Edgewood Road would operate at unacceptable LOS E both with and without the project during the P.Nt. peak hour. In addition, the SR 22 eastbound ramps/Lawson Way at Town & Country Road would operate at unacceptable LOS F both with and without the project during the A.M. peak hour. Therefore, implementation of the City Place Sky Lofts project would cause these Caltrans signalized intersections to operate at an unacceptable LOS, and with an increase in delay of greater than one percent, representing a significant adverse impact. 4.2. l 1.2 Finding Related to 2030 Signalized Intersections at Caltrans Ramps Changes or alterations have been required in, or incorporated into, the project which avoid or substantially lessen the significant environmental effect as identified in the Final EIR. 4.2.11.3 Facts in Support of the Finding Related to 2030 Signalized Intersections at Caltrans Ramps Implementation of mitigation measures T-3 and T-4, provided below, will reduce the impacts on the 2030 signalized intersections of SR 22 eastbound ramps/Lawson Way at Town & Country Road and Main Street at I-5 HOV ramps/I-5 northbound off-ramp/Edgewood Road to below a level of significance. T-3 Prior to the issuance of permits, and subject to the approval of the City of Orange and Caltrans, the applicant shall deposit its set fee into the TSIA JPA and pay its fair-share of construction costs for the following improvements at the intersection of SR 22 eastbound ramps and Lawson Way at Town & Country Road: convert one northbound right-turn lane to one shared through/right-turn lane; convert one southbound shared through/right- turn lane to one shared through/left-/right-turn lane; convert one westbound through lane to one shared through/left-turn lane; and modify traffic signal phasing to provide an eastbound/westbound split phase. The recommended improvements shall be designed to meet Caltrans standards. The applicant's fair-share contribution is ten percent of the construction costs. T-4 Prior to the issuance of permits, and subject to the approval of the City of Santa Ana and Caltrans, the applicant shall deposit its set fee into the TSIA JPA and pay its fair-share of construction costs for the following improvements at the intersection of Main Street at I-5 HOV ramps, I-5 northbound off-ramp and Edgewood Road: convert one westbound shared through left-turn lane to one left-turn lane; convert one westbound right-turn lane to one shared through/right-turn lane; and modify the traffic signal phasing to provide a protected eastbound right-turn phase that is overlapped with the northbound left-turn phase. The recommended improvements shall be designed to meet Caltrans standards. The applicant's fair-share contribution is 14 percent of the construction costs. F: I PROD-ENVI City Place Sky L oftsl Final EIR IFindings-SOCI Findings-SOC. doc Page 20 Januarv Z3, 2009 75A-130