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off-ramp; West Las Positas Boulevard at Stoneridge Drive, and El Charro Road at I-580EB. Ms. Giffin stated that the Alameda County Congestion Management Agency (ACCMA) requested that the City run ACCMA's traffic model and analyze impacts to its adopted link segments to determine if there are any impacts to the link segments resulting from the project. She noted that under the Preferred Project, there would be impacts to five of ACCMA's link segments: Stoneridge Drive east of Santa Rita Road, Stanley Boulevard east of Valley Avenue, SR-84 between Stanley Boulevard and Vineyard Avenue, SR-84 near Little Valley Road, and I-580 between Airway Boulevard and Isabel Avenue. Mr. Dolan stated that after staff had gone through the analysis and identified the impacts and mitigations for the project, staff identified the following significant unavoidable impacts which are discussed in the SEIR: 1. The impacts to aesthetics and visual quality are purely related to the fact that the project would convert the site from a purely rural site to a developed site. 2. This project will have the same air quality impacts that the original approval had. 3. There would be climate change impacts that would exceed the current threshold, notwithstanding that threshold continued to evolve. 4. There would be a significant unavoidable noise impact related to the fact that the City's General Plan 2005-2025 has a new threshold which states that if noise increases more than 4dB, regardless of baseline noise levels, it is identified as a significant impact. 5. There are some impacts related to traffic; in particular, one outside of Pleasanton's jurisdiction at the intersection of Dublin Boulevard and Dougherty Road, in which the City of Dublin has indicated that it does not believe mitigation is feasible. There are also several roadway link segments between intersections where volume will exceed the ACCMA standards. Mr. Dolan indicated that when there are significant impacts that are unavoidable, CEQA states that there is still an opportunity to move forward with the project by fully disclosing those impacts and making findings related to the benefits of the project, including why the benefits outweigh the significant unavoidable impacts. He noted that staff has prepared that analysis and that these benefits are the bases for the proposed Statement of Overriding Considerations. These include: 1. The project would allow the retention of the existing auto sales business in a facility that is very suitable for the business and which would provide benefits to the City, including jobs, convenience to residents, and tax revenue. PLANNING COMMISSION MINUTES, May 26, 2010 Page 7 of 27