Freeway Performance Initiative I-680 in Alameda County

5 Documents in Project


SCH Number
Lead Agency
Caltrans 4 (Oakland) (California Department of Transportation, District 4)
Document Title
Freeway Performance Initiative I-680 in Alameda County
Document Type
MND - Mitigated Negative Declaration
Present Land Use
State Highway

Document Description
This project proposes the installation of a ramp metering system for sixteen on-ramps/connectors along Route 680 in Alameda County from Scott Creek Road Undercrossing in the City of Fremont to Alcosta Boulevard Overcrossing in the City of Dublin. These on-ramps/connectors are also widened to provide for High Occupancy Vehicle (HOV) preferential lanes or additional mixed-flow lanes. There will be six retaining walls used for the widening. The project also proposes the installation of traffic monitoring stations for four connectors in the corridor.

Contact Information
Valerie Shearer
California Department of Transportation, District 4
111 Grand Avenue, MS 8B
Oakland, CA 94612

Phone : (510) 286-5594


Dublin Fremont Pleasanton
Other Location Info

Notice of Completion

Review Period Start
Review Period End
Development Type
Transportation:Other (Traffic Operation Systems)
Project Issues
Aesthetic/Visual Air Quality Archaeologic-Historic Biological Resources Flood Plain/Flooding Geologic/Seismic Noise Toxic/Hazardous Water Quality
Reviewing Agencies
Air Resources Board, Transportation Projects California Air Resources Board California Department of Fish and Wildlife, Bay Delta Region 3 California Department of Parks and Recreation California Highway Patrol California Native American Heritage Commission California Regional Water Quality Control Board, San Francisco Bay Region 2 Department of Water Resources Resources Agency

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.

Download CSV New Search Print