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TVTC Strategic Expenditure Plan 2022 Update │ Appendix <br />Draft Final Report │ Adopted: April 29, 2022 <br /> <br />B -8. CAMINO TASSAJARA/TASSAJARA ROAD WIDENING PROJECT (EAST <br />OF BLACKHAWK DRIVE TO NORTH DUBLIN RANCH DRIVE) <br /> TVTC PROJECT SPONSOR <br />Contra Costa County, City of Dublin <br />LEAD AGENCY <br />Contra Costa County, City of Dublin <br />PROJECT DESCRIPTION <br />(UPDATED SUMMER 2021) <br />Project B-8 is located along Camino <br />Tassajara-Tassajara Road. This project <br />consists of two project phases: <br />• Safety Improvement Project – Blackhawk <br />Drive in Contra Costa County to Moller Ranch <br />(Palisades Drive) in the City of Dublin <br />• Roadway Widening Project – Windemere <br />Parkway to County Line (Contra Costa County) <br />and Quarry Lane School/Wallis Ranch Drive to <br />North Dublin Ranch Drive (City of Dublin) <br />Safety Improvement Project <br />The safety improvement project will widen Camino Tassajara from two to four lanes from East of <br />Blackhawk Drive to Moller Ranch (Palisades Drive) in the City of Dublin. The project may also include <br />realignment of various horizontal curves along the roadway. Interim improvements may include roadway <br />widening to meet two-lane rural road standards with sufficient lane width and shoulder width to improve <br />safety and allow for future bike lanes. The project will improve safety for motorists and create bicycle <br />facilities consistent with the Contra Costa Countywide Bicycle and Pedestrian Plan and the City of Dublin <br />Bicycle and Pedestrian Master Plan. The ultimate improvements will increase capacity along Camino <br />Tassajara to help mitigate the impacts of local and regional growth in housing and employment within the <br />Tri-Valley. <br />Roadway Widening Project <br />The roadway widening project consist of two segments: <br />• Segment A – Windemere Parkway to County line <br />• Segment B – Quarry Lane School/ Wallis Ranch Drive to North Dublin Ranch Drive <br />Segment A will widen and realign Camino Tassajara from two to four lanes. The horizontal curves at the <br />Contra Costa/Alameda County Line will be realigned to increase safety along the roadway. Roadway <br />shoulders will be widened to create bicycle facilities consistent with the Contra Costa Countywide Bicycle <br />and Pedestrian Plan. The ultimate improvements will increase capacity along Camino