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<br />City of Santa Ana | First Street Multimodal Corridor <br />Technical Memorandum <br /> <br />25 <br />sidewalk infrastructure, the study will assess sidewalk design and dimension needs that balance <br />the use of space by permitted vendors and people walking and rolling. <br />The study area shows some cleanup sites along and near the corridor (refer to Figure 14), as <br />well as higher Disadvantaged Communities rankings, which measure environmental pollution <br />exposure and social vulnerability, around the east side of the corridor, just west of the I-5 freeway <br />and near several cleanup sites. Given preliminary level of service assessment findings of vehicle <br />congestion around this part of the corridor, this may reflect the value of shifting travel modes <br />away from single occupancy driving to reduce vehicle miles traveled and emissions. <br />Figure 13. Major Employers and Employment Hubs Near First Street <br /> <br />Figure 14. Identified Hazardous and Clean Up Site <br />Source: Department of Toxic Substances Control (2025) <br />  <br />  <br />City Council 19 – 89 2/17/2026