Traffic Signal Controller and Cabinet Installation

The contract entails the full replacement of six traffic signal controllers and their associated cabinets along State Route 99 in Modesto, requiring complete removal of existing units and installation of new NEMA-compliant controllers and cabinets. All work includes proper electrical connections, grounding, and seamless integration with Caltrans’ Traffic Management System to ensure operational compatibility and real-time monitoring capabilities. The project demands strict adherence to technical and safety standards for traffic signal infrastructure, with all components meeting federal and state specifications for durability and performance in outdoor environments. This subcontract, posted by Caltrans District 10 in Stockton, is scoped for execution at a single location in Modesto and falls under NAICS code 238210 for electrical contracting. The work is critical to modernizing traffic control infrastructure, improving system reliability, and enhancing traffic flow efficiency on a major arterial route. All installations must be coordinated to minimize disruption to traffic and public safety, with comprehensive testing and commissioning required before final acceptance by Caltrans. The project is anticipated to be completed in alignment with state transportation timelines and regulatory compliance requirements.