Interstate 680/State Route 4 Interchange Improvement Project
8 Documents in Project
Summary
SCH Number
2006082017
Lead Agency
California Department of Transportation, District 4
Document Title
Interstate 680/State Route 4 Interchange Improvement Project
Document Type
MND - Mitigated Negative Declaration
Received
Present Land Use
Existing highway right-of-way.
Document Description
The project would make five phases of improvements to the I-680/SR-4 interchange. New direct connectors would be added between northbound I-680 and westbound SR-4, eastbound SR-4 and southbound I-680, southbound I-680 and eastbound SR-4, and westbound SR-4 to northbound I-680. Some existing loop ramps will be removed and diagonal ramps will be widened. New lanes would be added to the median of eastbound and westbound SR-4 within the project limits.
Contact Information
Name
Melanie Brent
Agency Name
Department of Transportation, District 4
Contact Types
Lead/Public Agency
Phone
Location
Counties
Contra Costa
Cross Streets
at I-680/SR-4 interchange
State Highways
I-680/SR-4
Railways
BNSF
Airports
Buchanan Field
Waterways
Walnut and Grayson Creeks
Other Location Info
City/Nearest Community: Pacheco
Notice of Completion
State Review Period Start
State Review Period End
State Reviewing Agencies
Air Resources Board, Transportation Projects, California Department of Fish and Wildlife, Bay Delta Region 3 (CDFW), California Department of Health Care Services (DHCS), California Department of Parks and Recreation, California Highway Patrol, California Native American Heritage Commission (NAHC), Caltrans, Division of Aeronautics, Department of Toxic Substances Control, Department of Water Resources, Office of Historic Preservation, Resources Agency, California Regional Water Quality Control Board, San Francisco Bay Region 2 (RWQCB)
State Reviewing Agency Comments
California Regional Water Quality Control Board, San Francisco Bay Region 2 (RWQCB)
Development Types
Transportation:Highway/Freeway (Interchange)
Project Issues
Aesthetics, Air Quality, Biological 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, Transportation, 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.