Attachment_B_-_Caltrans_Districts__1-12__Defined.xlsx

This attachment defines the geographic organization of California's 12 Caltrans districts for the Department of General Services Renewable Diesel Request for Information. The document establishes district boundaries, regional designations, market price base OPIS Super District classifications, and the specific counties within each district's jurisdiction. Districts 1 and 2 comprise the northern region (Eureka A designation), Districts 3 and 4 cover the central valley and bay area (Sacramento B designation), Districts 5 and 10 represent the central coast and inland central valley (Fresno C and Los Angeles D designations), Districts 6 and 10 serve the southern valley region (Fresno C designation), Districts 7 and 8 encompass the southern California area (Los Angeles D and Barstow E designations), Districts 9 and 10 include eastern mountain regions (Barstow E and Fresno C designations), and Districts 11 and 12 cover the southern border and coastal areas (San Diego F designation).

This reference document supports the 2027 State of California Renewable Diesel statewide solicitation by providing suppliers with detailed geographic and market segmentation information necessary for understanding pricing and distribution requirements across the state's transportation infrastructure. The district organization enables differentiated pricing strategies based on regional OPIS Super District classifications, allowing suppliers to develop competitive bids tailored to the specific characteristics and market conditions of each geographic area served by Caltrans.