SR-128 Slurry Seal Project (EA 2X780)

Caltrans District 4 is forecasting the SR-128 Slurry Seal Project (EA 2X780) in Napa County, California. The project involves applying a slurry seal to 15.2 miles of State Route 128, specifically from post mile 19.1 to 34.3, to prevent roadway deterioration and extend the life of the pavement. The scope includes the replacement of any damaged or removed pavement markings and delineation. All construction activities must remain within the existing Caltrans right-of-way prism, with equipment staging restricted to areas without vegetation and a strict prohibition on work in water. The period of performance is scheduled to begin no earlier than August 1, 2026, and must be completed by October 15, 2026. This project is classified as a categorical exemption under PRC 21084 and 14 CCR 15301 Class 1(d) due to the lack of anticipated environmental impacts. The project is managed by Caltrans District 4 in the Bay Area/Oakland region, with Juliane Smith serving as the primary point of contact for environmental compliance. No specific contract value, evaluation factors, or formal solicitation numbers have been provided as the project is currently in the forecast stage.