The California Department of Transportation (Caltrans) is seeking bids for on-call traffic control services in various Bay Area counties. The contractor will provide all expertise, labor, tools, materials, equipment, supplies, fuel, personal safety gear, equipment delivery and pick-up fees, travel, licenses, permits, and incidentals necessary to provide on-call traffic control services. The services shall be performed at various locations in the following California counties: Alameda, Contra Costa, Marin, Napa, San Francisco, Santa Clara, Solano, Sonoma, and San Mateo. The contractor must possess a valid and current C-31 (Construction Zone Traffic Control Contractor) license issued by the California Contractor State License Board (CSLB). Some key points to consider: • The contractor must have a valid and current registration with the Department of Industrial Relations (DIR) • The contractor must comply with all applicable laws and regulations, including those related to prevailing wages, labor laws, and environmental regulations • The contractor must provide proof of insurance and maintain all necessary licenses and permits • The contractor must comply with Caltrans' standard conditions of service, including those related to antitrust provisions, loss leader usage, and force majeure