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TVTC 2009 Strategic Expenditure Plan Update <br /> Updated Project Descriptions August 4, 2009 <br /> B -8. Camino Tassajara Widening, East Blackhawk Drive to County Line <br /> TVTC Lead Sponsor: <br /> Contra Costa County <br /> Lead Agency: <br /> Contra Costa County <br /> Project Description: <br /> This project will widen Camino Tassajara from two to four lanes from approximately 2,000 feet <br /> east of Blackhawk Drive to Windemere Parkway; and widen Camino Tassajara from two to six <br /> lanes from Windemere Parkway to the Contra Costa/Alameda County line. Widening will <br /> include the addition of shoulders to meet current County road standards. The project will also <br /> realign two horizontal curves located approximately 0.5 miles north of Windemere Parkway and <br /> approximately 0.1 miles north of the Contra Costa/Alameda County line. <br /> This project will increase capacity and safety on Camino Tassajara, and will help mitigate the <br /> impacts of local and regional growth in housing and employment within the Tri- Valley. An <br /> increase in the average daily traffic on Camino Tassajara is anticipated due to recent <br /> improvements on Dougherty Road, Windemere Parkway, Tassajara Road and Fallon Road. This <br /> is appealing to commuters looking for an alternative route to avoid congestion at the I -680/ I -580 <br /> interchange. Furthermore, the realignment of the two horizontal curves will improve safety for <br /> motorists and reduce the number of collisions in these areas. A total of three traffic collision <br /> fatalities have been reported within the last two years at these locations. The proposed project is <br /> included in the Contra Costa County General Plan. <br /> Status: <br /> Preparation of a project study report is in progress. <br /> Phasing and Schedule: <br /> Phasing and Scheduling for this project is unavailable pending completion of the project study <br /> report. <br /> Kimley -Horn and Associates, Inc. Page 26 <br />