State Route 12/State Route 113 Intersection Improvement Project

5 Documents in Project


SCH Number
Lead Agency
California Department of Transportation, District 4
Document Title
State Route 12/State Route 113 Intersection Improvement Project
Document Type
MND - Mitigated Negative Declaration
Present Land Use

Document Description
Caltrans proposes to improve safety at the intersection of SR 12/SR113, located at post mile 19.2 on SR 12 in unincorporated Solano County, approximately six miles west of the city of Rio Vista. Two build alternatives are being considered for this proposed project: 1) a single lane roundabout, and 2) a signalized intersection. This is a safety project and aims to reduce the number of collisions at the SR 12 and SR 113 intersection. The new roundabout structure or signalized intersection would be constructed at the same location as the existing un-signalized four-way intersection.

Contact Information
Karen Jang
California Department of Transportation, District 4
Lead/Public Agency
111 Grand Avenue
Oakland, CA 94612

Phone : (510) 286-5583


38°11'01.2"N 48°22'0.2"W
Rio Vista
Cross Streets
SR 12/113, PM 19.2
State Highways
SR 12/113

Notice of Completion

Review Period Start
Review Period End
Development Type
Project Issues
Aesthetics Agriculture and Forestry Resources Air Quality Biological Resources Cultural Resources Drainage/Absorption Economics/Jobs Flood Plain/Flooding Geology/Soils Hazards & Hazardous Materials Hydrology/Water Quality Land Use/Planning Noise Public Services Transportation Wetland/Riparian
Reviewing Agencies
Air Resources Board, Transportation Projects California Department of Fish and Wildlife, Bay Delta Region 3 (CDFW) California Department of Parks and Recreation California Highway Patrol California Native American Heritage Commission (NAHC) California Regional Water Quality Control Board, San Francisco Bay Region 2 (RWQCB) California State Lands Commission (SLC) Delta Protection Commission Department of Toxic Substances Control Department of Water Resources Office of Historic Preservation Resources Agency California Regional Water Quality Control Board, Central Valley Sacramento Region 5 (RWQCB)

Disclaimer: The document was originally posted before CEQAnet had the capability to host attachments for the public. To obtain the original attachments for this document, please contact the lead agency at the contact information listed above. You may also contact the OPR via email at or via phone at (916) 445-0613.

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