California Department of Transportation is requesting bids on modifications to signage and lighting, pavement repair, sidewalk work, curb ramp installation, and a segmental concrete retaining system on State Route 12 near Boyes Hot Springs in Sonoma County, with bids due November 5, 2026.

The prime contractor must hold either a Class A license or a combination of Class C licenses (C-10, C-12) constituting the majority of the work, with potential additional license types required by specific contract terms. The Department will affirmatively ensure that disadvantaged business enterprises receive full opportunity to submit bids and will not be discriminated against based on race, color, or national origin under Title VI of the Civil Rights Act of 1964.

The project location spans State Route 12 from Donald Street to 0.1 mile south of Lomita Avenue. Work is estimated to require 160 working days to complete. The estimated project amount is $4.8 million. Bid packages and all plans, specifications, and project information are accessible through the California Department of Transportation's Construction Contract Award website and electronic bidding platform. Bidders may submit project-specific inquiries through the CalTrans Bidder Inquiries website; questions regarding deadlines and bidder forms are directed to the CaleProcure California State Contracts Register Advertising Event website. Bid opening is November 5, 2026.

Mod Sig & Ltg, Pvmt repair, SW, curb ramp, segmental Conc Ret system.

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