State Route 12 Pavement Rehabilitation Project
3 Documents in Project
Summary
SCH Number
2026061115
Lead Agency
California Department of Transportation, District 4
(DOT)
Document Title
State Route 12 Pavement Rehabilitation Project
Document Type
FIN - Final Document
Received
Present Land Use
In Napa County, the project is bordered by industrial and agricultural land uses. In Solano County, the project traverses a mix of urban industrial, urban residential, urban commercial, and agricultural land uses.
Document Description
This project proposes to rehabilitate pavement, restore drainage systems, and enhance multimodal access on state route (SR) 12 in Napa County, postmile (PM) 0.0/3.31 and in Solano County, PM 0.0/7.90. The goal of this project is preserve and extend the service life of the pavement by addressing significant pavement cracks along the SR 12, in addition to restoring drainage system capacity, providing updates to pedestrian and bike infrastructure, and additional highway improvements such as replacement of road signs and guardrail.
Contact Information
Name
Matthew Coughlin
Agency Name
Caltrans, District 4
Job Title
Environmental Scientist
Contact Types
Lead/Public Agency
Phone
Location
Coordinates
Cities
Fairfield, Suisun City
Counties
Napa, Solano
Regions
Countywide
Cross Streets
Napa County: Airport Blvd and Broadway Blvd. Solano County: SR 12 and Pennsylvania Ave
Zip
94503
Total Acres
N/A
State Highways
SR 12, I-80, SR 29, I-680,SR 221
Railways
Suisun Fairfield Rail Station
Airports
Napa County Airport
Schools
Crystal Middle School, Crescent Elementary School, Rainbow Early
Waterways
Fagan Creek, Suisun Marsh, Green Valley Creek, Suisun Creek, Union Creek
Township
N/A
Range
N/A
Section
N/A
Base
N/A
Other Location Info
The project location is divided into two segments of State Route (SR) 12 within Napa and Solano Counties. In Napa County, the project area begins at SR 12 postmile 0.0. which is located at the intersection of SR 12 and SR 29, just west of Napa County Airport, and continues eastward until SR 12 intersects with I-80. The Solano County portion of the project area begins at the intersection of SR 12 and I-80 in Solano County, near the Solano County Dept. of Agriculture office. The Solano County portion continues eastward on SR 12 and concludes at SR 12 post mile 7.90, just beyond the intersection of Walters Rd and SR 12.
Notice of Completion
State Reviewing Agencies
California Air Resources Board (ARB), California Department of Conservation (DOC), 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 Pesticide Regulation (DPR), California Department of Toxic Substances Control (DTSC), California Department of Transportation, District 4 (DOT), California Department of Transportation, Division of Aeronautics (DOT), California Department of Transportation, Division of Transportation Planning (DOT), California Department of Water Resources (DWR), California Fish and Game Commission (CDFGC), California Governor's Office of Emergency Services (OES), California Highway Patrol (CHP), California Native American Heritage Commission (NAHC), California Natural Resources Agency, California Public Utilities Commission (CPUC), California Regional Water Quality Control Board, San Francisco Bay Region 2 (RWQCB), California State Coastal Conservancy (SCC), California Transportation Commission (CATC), Central Valley Flood Protection Board, Delta Protection Commission, Delta Stewardship Council, Office of Historic Preservation, San Francisco Bay Conservation and Development Commission (BCDC), State Water Resources Control Board, Division of Drinking Water, University of California Natural Reserve System (UCNRS)
Development Types
Transportation:Highway/Freeway (Pavement Rehabilitation)
Local Actions
Pavement Rehabilitation
Project Issues
Aesthetics, Agriculture and Forestry Resources, Air Quality, Biological Resources, Cultural Resources, Cumulative Effects, Flood Plain/Flooding, Geology/Soils, Greenhouse Gas Emissions, Growth Inducement, Hazards & Hazardous Materials, Hydrology/Water Quality, Land Use/Planning, Mineral Resources, Noise, Population/Housing, Recreation, Solid Waste, Transportation, Vegetation, Wetland/Riparian
Attachments
Final Document(s) [Approved_Certified draft environmental documents]
Disclaimer: The Governor’s Office of Land Use and Climate Innovation (LCI) accepts no responsibility for the content or accessibility of these documents. To obtain an attachment in a different format, please contact the lead agency at the contact information listed above. For more information, please visit LCI’s Accessibility Site.