Interstate 680/State Route 4 Interchange Improvement Project

8 Documents in Project


SCH Number
Lead Agency
Caltrans 4 (Oakland) (California Department of Transportation, District 4)
Document Title
Interstate 680/State Route 4 Interchange Improvement Project
Document Type
NEG - Negative Declaration
Present Land Use
Transportation corridors

Document Description
The project modifies the interchange to reduce congestion and improve safety.

Contact Information
Howell Chan
Department of Transportation, District 4
P.O. Box 23660, MS-8B
Oakland, CA 94623-0060

Phone : (510) 286-5623


Contra Costa
Cross Streets
at I-680/SR-4 interchange
State Highways
Buchanan Field
Pacheco Slough and Grayson Creek
Other Location Info
City/Nearest Community: Pacheco

Notice of Completion

Review Period Start
Review Period End
Project Issues
Aesthetic/Visual Agricultural Land Air Quality Archaeologic-Historic Biological Resources Drainage/Absorption Economics/Jobs Flood Plain/Flooding Geologic/Seismic Noise Public Services Recreation/Parks Toxic/Hazardous Traffic/Circulation Vegetation Water Quality Water Supply Wetland/Riparian Wildlife Growth Inducing Land Use Cumulative Effects
Reviewing Agencies
Air Resources Board, Transportation Projects California Department of Fish and Wildlife, Bay Delta Region 3 California Department of Parks and Recreation California Highway Patrol California Native American Heritage Commission Caltrans, Division of Aeronautics Department of Water Resources Office of Emergency Services, California Resources Agency San Francisco Bay Conservation and Development Commission California Regional Water Quality Control Board, San Francisco Bay Region 2

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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