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City of Pleasanton–Spotorno Ranch Reduced Development Project <br />Initial Study/Consistency Checklist Environmental Checklist <br /> <br /> <br />FirstCarbon Solutions 149 <br />https://adecinnovations.sharepoint.com/sites/PublicationsSite/Shared Documents/Publications/Client (PN-JN)/2148/21480021/Consistency Checklist/21480021 Spotorno Ranch Consistency Checklist ScreenCheck.docx <br />In addition to the evaluation of peak-hour intersection operations, daily roadway segment <br />operations were evaluated for the following segments: <br />a) Happy Valley Road (east of Pleasanton Sunol Road) <br />b) Riddell Street (south of Sunol Boulevard) <br />c) Arlington Drive (east of Sunol Boulevard) <br />d) Sycamore Creek Way (east of Sunol Boulevard) <br />e) Sycamore Road (east of Sycamore Creek Way) <br />f) Sycamore Creek Way (west of Summit Creek Lane) <br />g) Alisal Street (south of Sycamore Road) <br />h) Alisal Street (north of Happy Valley Road) <br />i) Happy Valley Road (west of Alisal Street) <br />j) Westbridge Lane (east of Alisal Street) <br />k) Sycamore Creek Way (east of Summit Creek Lane) <br /> <br />Scenarios <br />Operations of the intersections above were evaluated for the following scenarios using the <br />Transportation Research Board’s (TRB) 2000 Highway Capacity Manual methodology using Synchro <br />analysis software. <br />• Scenario 1: Existing—Based on traffic counts collected in 2017. <br />• Scenario 2: Existing Plus Project without Bypass Road—Existing volumes obtained from traffic <br />counts plus traffic estimated for the Project. Roadway improvements included as part of the <br />project are considered. <br />• Scenario 3: Existing Plus Project with Bypass Road—Existing volumes obtained from traffic <br />counts plus traffic estimated for the Project. This scenario considers the Bypass Road and <br />potential traffic shifts associated with the new roadway. <br />• Scenario 4: Existing Plus Approved Projects (EPAP or Near Term) No Project Conditions— <br />Existing traffic plus traffic that could be generated by approved projects in the area, without <br />development of the proposed project. <br />• Scenario 5: EPAP Plus Project without Bypass Road—Traffic volumes from Scenario 4 plus <br />traffic estimated for the project. Roadway improvements included as part of the project are <br />considered. <br />• Scenario 6: EPAP Plus Project with Bypass Road—Traffic volumes from Scenario 4 considering <br />the Bypass Road and potential traffic shifts associated with the new roadway, plus project traffic. <br />• Scenario 7: Far-Term (Cumulative) No Project Conditions—Projected traffic volumes and the <br />projected roadway system using the City of Pleasanton Travel Demand Model. The traffic <br />forecasts include approved and pending projects, in addition to build out of land uses <br />consistent with the General Plan and adopted Housing Element, which includes buildout of <br />remaining non-project parcels within the HVSP area. This scenario does not include traffic <br />generated by the proposed project.