Ygnacio Valley Road Corridor Enhancement Project


SCH Number
Lead Agency
City of Concord
Document Title
Ygnacio Valley Road Corridor Enhancement Project
Document Type
NEG - Negative Declaration
Present Land Use
Two landside repairs are located in a Low Density Residnetial designation.
Document Description
Add one lane in each direction to Ygnacio Valley Road between Cowell Road and Michigan Boulevard, resulting in 3 through lanes in east direction. Soundwalls constructed to protect adjacent residential neighborhoods. Install landscaped median. Repair two small landslides that could affect the roadway. Replace landscape and trees removed in accordance with City's Heritage Tree Ordinance.

Contact Information

Jill Mercurio
Agency Name
City of Concord, Public Works-Engineering Services Dept.
Contact Types
Lead/Public Agency


Contra Costa
Cross Streets
Ygnacio Valley Road/Cowell Road/Michigan Boulevard
Clayton Valley Highschool
Galindo Creek

Notice of Completion

Review Period Start
Review Period End
Development Types
Transportation:Other (Major Arterial widening)
Local Actions
Trans Improvement
Project Issues
Aesthetics, Agriculture and Forestry Resources, Cultural Resources, Cumulative Effects, Drainage/Absorption, Flood Plain/Flooding, Geology/Soils, Growth Inducement, Hazards & Hazardous Materials, Hydrology/Water Quality, Land Use/Planning, Noise, Public Services, Recreation, Transportation, Vegetation, Wetland/Riparian, Wildlife
Reviewing Agencies
Air Resources Board, Transportation Projects, California Department of Conservation (DOC), 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), Office of Historic Preservation, Resources Agency, Department of Toxic Substances Control, California Department of Transportation, District 4 (DOT)
Reviewing Agency Comments
Department of Toxic Substances Control, California Department of Transportation, District 4 (DOT)

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 state.clearinghouse@opr.ca.gov or via phone at (916) 445-0613.

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