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City of Pleasanton—Stoneridge Mall Residential Project <br />CEQA Checklist Section 15183 Checklist/15164 Addendum <br /> <br /> <br />172 FirstCarbon Solutions <br />Https://adecinnovations.sharepoint.com/sites/PublicationsSite/Shared Documents/Publications/Client (PN-JN)/2148/21480017/Consistency Checklist/21480017 Stoneridge Mall Residential Project Checklist <br />Addendum_Updated.docx <br />traffic congestion are measured by LOS. Under Existing Plus Project conditions and Cumulative 2025 <br />Project conditions, impacts were determined to be less than significant. It was determined that <br />buildout of the Housing Element would worsen the LOS F on Sunol Boulevard and First Street <br />between Vineyard Avenue and Stanley Boulevard during the PM peak-hour, so there would be a <br />significant impact to Sunol Boulevard, a designated Metropolitan Transportation System Congestion <br />Management Program (MTS/CMP) roadway segment. Although the City requires developers to <br />contribute fair-share funds through the payment of the City of Pleasanton and Tri-Valley Regional <br />traffic impact fees to help fund future improvements to local and regional roadways (MM 4.N-7), <br />under Cumulative Plus Project conditions, impacts were determined to be significant and <br />unavoidable. As described below, such cumulative LOS impacts can no longer be considered <br />significant impacts under CEQA. <br />Analysis of Proposed Project <br />Changes to the CEQA Guidelines were adopted in December 2018 to implement SB 743. Guideline <br />15064.3, which describes criteria for evaluating a project’s transportation impacts, provides that <br />VMT is generally “the most appropriate measure of transportation impacts,” and that except for <br />roadway capacity projects, a project’s effect on traffic delays “shall not constitute a significant <br />environmental impact.” These provisions went into effect July 1, 2020. VMT impacts are discussed <br />above in Impact XVII(b). <br />While Guideline 15064.3 governs a lead agency’s assessment of traffic impacts under CEQA, it does <br />not preclude a discussion of LOS for informational purposes or other traffic analysis based on general <br />plan or zoning standards, or on other agency policies. Therefore, while this Checklist/Addendum <br />does not include an analysis of LOS, a Local Traffic Analysis prepared for the proposed project by <br />Kimley-Horn on October 19, 2022 (Appendix H) provides this analysis for informational purposes <br />only. The study concluded that with the proposed project all study intersections would operate at an <br />LOS consistent with City standards. <br />f) Result in a change in air traffic patterns, including either an increase in traffic levels or a change <br />in locations that results in substantial safety risks? <br />Prior EIR Conclusions <br />The Prior EIR concluded that the Housing Element would have no impact on air traffic patterns as it <br />would not introduce new air traffic or interfere with existing air traffic; the nearest public airport is <br />Livermore Municipal Airport, located approximately 3 miles east of the Housing Element Planning <br />Area. It was determined that no impact would occur. <br />Analysis of Proposed Project <br />The project site is within the Housing Element Planning Area and would not introduce new air traffic <br />or interfere with existing air traffic. There continues to be no impacts, and no mitigation is necessary, <br />consistent with the Prior EIR. There are no proposed changes, new circumstances, or new <br />information that would cause new or more severe impacts.