10 CAL-4-PM 12.5/13.0, Curve Correction on Route 4 in Calaveras County near Copperopolis

4 Documents in Project


SCH Number
Lead Agency
California Department of Transportation, District 10
Document Title
10 CAL-4-PM 12.5/13.0, Curve Correction on Route 4 in Calaveras County near Copperopolis
Document Type
NEG - Negative Declaration
Present Land Use
Rural, either single family residential or agricultural (grazing).
Document Description
Caltrans proposes to reconstruct a 0.5 mile section of State Route 4 near Copperopolis, 2.4 miles east of O'Byrnes Ferry Road, between postmiles 12.5 and 13.0. This is a safety project to realign a tight S-shaped curve. The purpose of the project is to reduce the higher-than-average rate of accidents at the project location.

Contact Information

Kathy Ikeda
Agency Name
Department of Transportation, District 10
Contact Types
Lead/Public Agency


Cross Streets
O'Byrnes Ferry Road (2.4 miles west of the project)
Total Acres
State Highways
Route 4
Black Creek
Other Location Info
Other Information
Base: Salt Spring Valley

Notice of Completion

State Review Period Start
State Review Period End
State Reviewing Agencies
California Department of Fish and Wildlife, North Central Region 2 (CDFW), California Department of Parks and Recreation, California Department of Transportation, District 10 (DOT), California Highway Patrol, California Native American Heritage Commission (NAHC), California Regional Water Quality Control Board, Central Valley Sacramento Region 5 (RWQCB), California State Lands Commission (SLC), Central Valley Flood Protection Board, Department of Water Resources, Office of Historic Preservation, Resources Agency
Development Types
Transportation:Highway/Freeway (State highway safety project)
Project Issues
Aesthetics, Agriculture and Forestry Resources, Air Quality, Cultural Resources, Flood Plain/Flooding, Geology/Soils, Hazards & Hazardous Materials, Hydrology/Water Quality, Land Use/Planning, Mineral Resources, Noise, Vegetation, Wetland/Riparian, Wildlife

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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