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3. Environmental Checklist <br /> <br />San Leandro Treatment Wetland <br />IS/MND <br />3-62 February 2024 <br /> <br />3.18. Transportation <br />ISSUES: TRANSPORTATION <br />POTENTIALLY <br />SIGNIFICANT <br />IMPACT <br />LESS THAN <br />SIGNIFICANT <br />WITH <br />MITIGATION <br />INCORPORATED <br />LESS THAN <br />SIGNIFICANT <br />IMPACT <br />NO IMPACT <br />Would the Project: <br />a) Conflict with a program, plan, ordinance or policy <br />addressing the circulation system, including transit, <br />roadway, bicycle and pedestrian facilities? <br />☐ ☐ ☒ ☐ <br />b) Conflict or be inconsistent with CEQA Guidelines <br />§ 15064.3, subdivision (b)? <br />☐ ☐ ☒ ☐ <br />c) Substantially increase hazards due to a <br />geometric design feature (e.g., sharp curves or <br />dangerous intersections) or incompatible uses (e.g., <br />farm equipment)? <br />☐ ☐ ☒ ☐ <br />d) Result in inadequate emergency access? ☐ ☐ ☐ ☒ <br />Discussion <br />a) Conflict with transit or mobility policy: The Proposed Project site is located along the shoreline of San <br />Francisco Bay, accessible via Davis Street (SR 112) in San Leandro from Interstate 880. Interstate <br />880 is a heavily trafficked major freeway linking the San Francisco-Oakland Bay Bridge and San Jose, <br />with considerable truck traffic. Davis Street is a vital four-lane arterial road connecting I-880 and <br />Doolittle Drive, narrowing to two lanes towards the WPCP, and is a key route for commercial and <br />industrial access with heavy daily truck traffic, peaking at 33,000 vehicles near I-880.54 <br />The project entails the construction of a treatment wetland and a modular nitrification unit. All <br />construction-related activities, including staging and parking, will be confined to existing WPCP <br />property, avoiding closures or detours on public highways. Construction will lead to a temporary <br />increase in local traffic due to material transportation and worker commute. Traffic impacts, including <br />up to ten (10) daily truck trips during the soil import and placement phase and around 10-15 daily <br />worker commutes, will be temporary and primarily occur on existing roads like I-880, Doolittle Drive, <br />and Davis Street. <br />Segments of Davis Street and Doolittle Drive are part of the Alameda County Transportation <br />Commission’s (CTC) Congestion Management Program (CMP) as Tier 1 Roadways, maintaining Level <br /> <br />54 Alameda County Transportation Commission. 2023. Alameda County Highways and Arterials Fact Sheet, June 2023. Available at <br />https://www.alamedactc.org/wp-content/uploads/2023/06/Highways_FS_June2023.pdf