I-80/I-680/State Route 12 Interchange Project

6 Documents in Project


SCH Number
Lead Agency
Caltrans 4 (Oakland) (California Department of Transportation, District 4)
Document Title
I-80/I-680/State Route 12 Interchange Project
Document Type
EIR - Draft EIR

Document Description
The project to improve the Interstate 80 (I-80)/Interstate 680 (I-680)/ State Route 12 (SR 12) Interchange and relocate the westbound truck scales facility is located in the vicinity of the city of Fairfield, Solano County, California. The project areas covers some 13 miles encompassing all three highways. The project involves improvements on an approximate 4.5-mile-long segment of I-80 between Red Top Road and Abernathy Road, an approximate 3.5-mile-long segment of i-680 between Gold Hill Road and I-80, 2.0 mile-long segment of SR 12 West (SR 12W) between 0.5 mile west of Red Top Road and I-80, and an approximate 2.5-mile-long segment of SR 12 East (SR 12E) between I-80 and Main Street in Suisun City.

Contact Information
Zachary Gifford
Department of Transportation, District 4
P.O Box. 23600, MS-8B
Oakland, CA 94623-0660

(510) 286-5610


Cross Streets
Interstate 80/Interstate 680/SR 12
State Highways
I-80/680/SR 12

Notice of Completion

Review Period Start
Review Period End
Development Type
Transportation:Other (Highway Improvement)
Local Action
Other Action Other Action: Transportation
Project Issues
Cumulative Effects Landuse Growth Inducing Wildlife Wetland/Riparian Water Supply Water Quality Vegetation Traffic/Circulation Toxic/Hazardous Soil Erosion/Compaction/Grading Schools/Universities Recreation/Parks Public Services Population/Housing Balance Noise Geologic/Seismic Forest Land/Fire Hazard Flood Plain/Flooding Fiscal Impacts Economics/Jobs Drainage/Absorption Biological Resources Archaeologic-Historic Air Quality Agricultural Land Aesthetic/Visual
Reviewing Agencies
Regional Water Quality Control Board, Region 2 Air Resources Board, Transportation Projects California Department of Parks and Recreation California Highway Patrol Department of Fish and Wildlife, Region 3 Department of Toxic Substances Control Department of Water Resources Native American Heritage Commission Office of Historic Preservation Resources Agency
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