To: Board of Supervisors
From: Warren Lai, Public Works Director/Chief Engineer
Report Title: Accepting and Declaring a Certain Road as County Road (a portion of Mt. Diablo Scenic Boulevard), Mt. Diablo Scenic Boulevard and Diablo-Blackhawk Road Intersection Signal Improvements Project No. 0676-6P1106 (cross-reference RA24-01259), Diablo area.
Recommendation: Recommendation of the County Administrator
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RECOMMENDATIONS:
ADOPT Resolution accepting and declaring a Certain Road as County Road (a portion of Mt. Diablo Scenic Boulevard), Mt. Diablo Scenic Boulevard and Diablo-Blackhawk Road Intersection Signal Improvements Project No. 0676-6P1106 (cross-reference RA24-01259), as recommended by the Public Works Director, Diablo area. (District II)
FISCAL IMPACT:
No fiscal impact
BACKGROUND:
Davidon Homes is constructing the Magee Preserve project, a subdivision development located in the Town of Danville. The subdivision development (69 single family homes and seven ADUs) is located nearby and generally south of the Mt. Diablo Scenic Boulevard and Diablo-Blackhawk Road intersection which is located in unincorporated Contra Costa County. The Town of Danville oversaw the entitlement process, including the approval of the final environmental impact report, which required off-site improvements including the installation of a new traffic signal at the subject intersection, which was stop sign-controlled.
Davidon designed and installed a traffic signal at the subject intersection in accordance with the required condition of approval of their subdivision development project. Davidon began working with the County Public Works Department on the design of the traffic signal to ensure vehicle and pedestrian safety. As part of this process, Davidon and the County identified operational improvements (primarily adding a right turn lane at the traffic signal) that were beyond the scope of the condition of approval. The County agreed to obtain public roadway easements for a porti...
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