I-280/Winchester Boulevard Interchange Improvements Project

2 Documents in Project


SCH Number
Lead Agency
California Department of Transportation, District 4 (DOT)
Document Title
I-280/Winchester Boulevard Interchange Improvements Project
Document Type
EIR - Draft EIR
Document Description
The Project would modify the existing I-280/Winchester Boulevard interchange by constructing a new tunnel off-ramp from northbound I-280 to Winchester Boulevard. The Project would also construct a new direct connector ramp from northbound SR-17 to northbound I-280 and would replace the existing Monroe Pedestrian Overcrossing (POC).

Contact Information

Lani Lee Ho
Agency Name
Santa Clara Valley Transportation Authority
Job Title
Senior Environmental Planner
Contact Types
Project Applicant


San Jose
Santa Clara
Northern California
Cross Streets
Winchester Boulevard
State Highways
State Route 17, I-280, I-880

Notice of Completion

State Review Period Start
State Review Period End
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 Transportation, District 4 (DOT), California Department of Water Resources (DWR), 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 Transportation Commission (CATC), Department of Toxic Substances Control, Office of Historic Preservation, State Water Resources Control Board, Division of Drinking Water
Development Types
Transportation:Highway/Freeway , Transportation:Local Road
Local Actions
Encroachment Permit
Project Issues
Aesthetics, Air Quality, Biological Resources, Cultural Resources, Cumulative Effects, Drainage/Absorption, Flood Plain/Flooding, Geology/Soils, Hazards & Hazardous Materials, Hydrology/Water Quality, Land Use/Planning, Noise, Public Services, Recreation, Transportation, Vegetation
Local Review Period Start
Local Review Period End


Disclaimer: The Governor’s Office of Planning and Research (OPR) 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. You may also contact the OPR via email at state.clearinghouse@opr.ca.gov or via phone at (916) 445-0613. For more information, please visit OPR’s Accessibility Site.

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