Sonoma State Route 12 Shoulder Widening
Summary
SCH Number
2026061179
Lead Agency
California Department of Transportation, District 4
(DOT)
Document Title
Sonoma State Route 12 Shoulder Widening
Document Type
NEG - Negative Declaration
Received
Present Land Use
State Highway System
Document Description
The California Department of Transportation (Caltrans) is proposing a safety project on Sonoma State Route (SR) 12. Caltrans is the lead agency for the Project under the California Environmental Quality Act (CEQA). The Project takes place in Sonoma County in the community of Glen Ellen on SR 12 between post mile (PM) 28.10 in Glen Ellen to PM 31.67 near Kenwood. The Project proposes to widen shoulders and install both centerline and edge-line rumble strips from PM 28.10 to PM 31.67. Additionally, the Project includes replacing two culverts at PM 28.23 and PM 28.34 and installing a drainage ditch in the westbound direction.
Contact Information
Name
Christopher Pincetich
Agency Name
California Department of Transportation, District 04
Job Title
Branch Chief
Contact Types
Lead/Public Agency
Phone
Location
Coordinates
Cities
Glen Ellen
Counties
Sonoma
Regions
Northern California, San Francisco Bay Area
Zip
95442
State Highways
State Route 12
Township
6N
Range
6W
Section
43
Base
MDPM
Other Location Info
Sonoma County
Notice of Completion
State Review Period Start
State Review Period End
State Reviewing Agencies
California Air Resources Board (ARB), California Department of Fish and Wildlife, Bay Delta Region 3 (CDFW), California Department of Forestry and Fire Protection (CAL FIRE), California Department of Parks and Recreation, California Department of Toxic Substances Control (DTSC), California Department of Transportation, District 4 (DOT), California Department of Water Resources (DWR), California Governor's Office of Emergency Services (OES), California Highway Patrol (CHP), California Native American Heritage Commission (NAHC), California Natural Resources Agency, California Regional Water Quality Control Board, San Francisco Bay Region 2 (RWQCB), California Transportation Commission (CATC), Office of Historic Preservation, State Water Resources Control Board, Division of Drinking Water
Development Types
Transportation:Highway/Freeway
Local Actions
Site Plan
Project Issues
Aesthetics, Agriculture and Forestry Resources, Air Quality, Biological Resources, Cultural Resources, Cumulative Effects, Drainage/Absorption, Energy, Flood Plain/Flooding, Geology/Soils, Greenhouse Gas Emissions, Growth Inducement, Hazards & Hazardous Materials, Hydrology/Water Quality, Land Use/Planning, Mandatory Findings of Significance, Mineral Resources, Noise, Population/Housing, Public Services, Recreation, Schools/Universities, Septic System, Sewer Capacity, Solid Waste, Transportation, Tribal Cultural Resources, Utilities/Service Systems, Vegetation, Wetland/Riparian, Wildfire
Public Review Period Start
Public Review Period End
Attachments
Draft Environmental Document [Draft IS, NOI_NOA_Public notices, OPR Summary Form, Appx,]
Notice of Completion [NOC] Transmittal form
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