Item 12 - Select Locally Preferred Alternative for the First Street Multimodal Boulevard Study

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FN City of Santa Ana I First Street Multimodal Corridor Technical Memorandum West Side and East Side Conceptt Due to planned projects along First Street, the corridor was divided into a west side and an east side when developing concepts. The west side extends from Bristol Street to Zoo Lane, which aligns with the Caltrans right-of-way. The east side extends from Zoo Lane over the I- 5 freeway to Tustin Avenue. Caltrans has developed concept plans for First Street as part of the Freeway Ramp Active Mobility Enhancement Study (FRAMES), illustrated in Figure 25. Concepts illustrated in this technical memorandum reflect the recommendations in that report. However, the City is currently working with Caltrans to identify alternative solutions that align with the concepts for the west side of the corridor. Modifications to this section may be proposed based on the ongoing coordination with Caltrans and the locally preferred alternative for this project. Figure 25. Recommendations in Caltrans FRAMES - -- { 1 B � _, , �,,,.,r �cl.ry •ly.yi9i//I��v tl nc•.r •[,5.�;,.�.;��;rinv ,. . .. `c w .W no IVPv L[MII. s crs 5 [_.,.Po v[tla ,.uYL•q{.'w!tl`IIfoz.11 r I J Source:Caltrans,February 2024. Freew ay Ramp Active Mobility Enhancement Study(FRAMES). Based on traffic volumes for the existing and future conditions east of 1-5, the concept developed for the east side of the corridor assumes the four-lane condition. Narrowing the road to widen the sidewalks builds upon the Public Realm Plan for this area by extending the curb to construct 17' to 20' wide pedestrian zones.This allows additional improvements within the pedestrian and bicycle zones as described later in this section and is consistent with the City's Metro East Mixed-Use Overlay Zone. A complete set of conceptual layouts for the three West Side and the one East Side concept is provided as an attachment to this technical memorandum. 46