2025-023 - Addendum to Transit Zoning Code Environmental Impact Report

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MM4.11-12 Standard Street at First Street—Construct third eastbound and westbound shared through-right lanes for 2035 conditions. The improvement is only needed for 2035 conditions. (Impact 4.11-8) MM4.11-13 Grand Avenue at Santa Ana Boulevard—Construct a third southbound through lane and eastbound right-turn overlap signal phasing. (Impact 4.11-8) MM4.11-14 Grand Avenue at First Street—Construct a third eastbound shared through/right- turn lane, a third westbound shared through/right-turn lane, and a third northbound through lane with dedicated northbound right-turn lane for 2035 conditions. The improvement is only needed for 2035 conditions. (Impact 4.11-8) MM4.11-15 Grand Avenue at 1-5 Northbound Ramps—Construct a second westbound right- turn lane and for the 1-5 northbound off ramp under both 2030 and 2035 conditions. (Impact 4.11-8) MM4.11.15 1-5 at Santa Ana Blvd.—Northbound Off-Ramp--The City of Santa Ana Department of Public Works shall coordinate with Caltrans for the installation of a second ramp lane for the 1-5 northbound off ramp. The improvement shall be implemented to mitigate 2035 conditions. (Impact 4.11-9) Project Analysis and Conclusion The City determined that impacts related to exceeding standards from the Orange County Transportation Authority (Impact 4.111-2), change in air traffic patterns (Impact 4.11-3), hazards due to a design future or incompatible uses (Impact 4.11-4), inadequate emergency access (Impact 4.11-5), inadequate parking capacity (Impact 4.11-6), and alternative transportation (impact 4.11-7) were below the level of significance and did not require mitigation. Impacts related to neighborhood traffic (Impact 4.11-1) and traffic increases to the existing traffic load (Impact 4.11-8) were less than significant with the implementation of mitigation measures. Impacts related to development near freeway ramps (Impacts 4.11-9) were found to be significant and unavoidable and that specific economic, social, or other considerations make infeasible additional mitigation. Specifically, no additional feasible mitigation measures exist that would avoid or substantially reduce these impacts. Any future development within the TZC area requiring discretionary action would continue to be subject to a project-level CEQA review at the time an application is filed for an individual project. Mitigation measures MM4.11-1 through MM4.11-16 would continue to apply. The proposed adoption of the text regulations identified in Table 1 — Current and Proposed Text Regulations would not require preparation of a supplemental or subsequent EIR because specific development projects are neither included nor required. The new regulations would provide recharging spaces for electric vehicles. Also, all truck parking areas must be on paved surfaces and the parking, loading or unloading of trucks associated with a business on public streets is prohibited. In addition, compliance with the existing regulations and proposed amendments will assure that potential impacts are not exacerbated. This will result in a beneficial impact to transportation. Therefore, the existing less than significant and significant and unavoidable transportation impacts would not result in new or different impacts. 5.12 UTILITIES AND SERVICE SYSTEMS This section analyzes the effects to utilities and service systems from implementing the proposed zoning code regulations. January 2025 50 Environmental Analysis Resolution No. 2025-023 Page 58 of 65