IFPQ Roadway Weather Information System (RWIS) in Siskiyou and Plumas Counties

This procurement solicitation is an Invitation for Public Bid (IFPQ) issued for the upgrade of Roadway Weather Information System (RWIS) components in Siskiyou County and Plumas County, California. The contracting agencies encompass multiple jurisdictions including Plumas Lake CDP, Plumas Eureka CDP, Plumas County, and Siskiyou County. The scope of work requires the contractor to furnish all labor, equipment, tools, parts, materials, supplies, travel, permits, fees, and incidentals necessary to upgrade existing RWIS components, specifically including relative humidity/air temperature sensors, wind speed/direction measurement systems, and precipitation rate monitoring equipment to California Department of Transportation (Caltrans) specifications. The deliverable is a fully upgraded and operational RWIS system that meets current Caltrans standards. The solicitation was posted on March 6, 2026, with a submission deadline of March 20, 2026. Qualified contractors must demonstrate capability in roadway weather monitoring system installation and integration with existing infrastructure, and proposals will be evaluated based on responsiveness, responsibility, technical qualifications, and pricing.

The solicitation does not indicate specific set-aside designations or restrictions limiting participation to particular organization types; however, as a public works project in California, prevailing wage and certified payroll requirements are anticipated to apply. No incumbent vendors or current contractors are identified in the available documentation. The procurement requires integration with existing RWIS infrastructure operated by Caltrans in the specified counties. No specific budget range or award value is disclosed in the posted materials. Interested parties should note that all documentation is currently undergoing updates for digital accessibility, and bidders requiring accessible versions of solicitation documents should submit requests through the California Department of Accessibility Compliance portal at http://bit.ly/dpac-ada or by calling (916) 654-2852.