Countywide Smart Signals Project

The Contra Costa Transportation Authority is requesting bids for the Countywide Smart Signals Project, a countywide Intelligent Transportation Systems upgrade covering approximately 365 intersections across Contra Costa County's 19 cities, towns, and unincorporated communities, with bids due October 13, 2026 at 5:00 p.m. EDT and a pre-bid meeting scheduled for September 30, 2026 at 2:00 p.m. in Walnut Creek with virtual attendance available.

The scope encompasses upgrading legacy traffic signal systems, integrating signal systems countywide, and enhancing real-time transportation information exchange between agencies and the public. The 30 line items include mobilization, traffic control, system integration, network testing, traffic signal controller installation, detection systems, wireless radio systems, cellular routers, CCTV cameras, and associated integration and configuration services.

Bidders must hold Class A or combination C-10/C-31 contractor licensing and register with the California Department of Industrial Relations; subcontractors performing work exceeding one-half of one percent of the total bid amount or $10,000, whichever is greater, must be identified in the bid. The project is subject to Build America, Buy America (BABA) provisions under the Infrastructure Investment and Jobs Act.

The Engineer's Estimate is $10,037,287 for CCTA Contract Number 764 (Federal Project Number CPFL-6072(036)). Bid security equal to ten percent of the total bid amount must be submitted via cashier's check, certified check, or bid bond. Bids must remain valid for ninety calendar days following the bid opening date. Contract award is contingent upon fund availability. Daniel Mermelstein is the CCTA Contracts Manager.