43304_HQ_Project A- Restore TBMPs on various routes in San Diego County

Caltrans District 11 is seeking to restore treatment Best Management Practices to their original as-built condition at various locations in San Diego County, specifically within the cities of Fallbrook and Carlsbad. This forecast project, identified as 43304 HQ Project A, focuses on 11 bioswale locations along SR-76 and one Austin Sand Filter Vault along I-5. The scope of work for the bioswales includes vegetation removal, regrading, applying soil amendments, and re-seeding with a native plant mix. For the sand filter vault on I-5, the project requires removing vegetation and replacing the silica sand treatment media within the basin. The project is classified under NAICS code 237310 and is managed by Environmental Scientist Morgan Tusa. Environmental reviews have determined the project is exempt by statute and categorically exempt under CEQA Class 1, and it has been certified as a categorical exclusion under NEPA. All work must adhere to the environmental commitments detailed in the Environmental Commitments Record. The project is identified by EA/PID 11-43304 / PID 1126000079 and was posted as a forecast on January 29, 2026.