I-680 Pavement Rehabilitation Project

3 Documents in Project


SCH Number
Lead Agency
Caltrans 4 (Oakland) (California Department of Transportation, District 4)
Document Title
I-680 Pavement Rehabilitation Project
Document Type
NEG - Negative Declaration

Document Description
Note: Review Per Lead Caltrans proposes to rehabilitate the mainline roadway and ramps pavement on I-680 from the Koopman Road Undercrossing in the town of Sunol to the Alcosta Boulevard Overcrossing in the city of Dublin. The project also proposes to repair or replace drainage systems, replace or upgrade guardrails, replace and upgrade the concrete median barrier within Segments 4-6, replace all signs, and implement ADA curb ramp requirements. The roadway will be rehabilitated within the same alignment, and all work will be done within the state ROW. There will be no increase in lane capacity, and no temporary or permanent acquisition of new ROW.

Contact Information
Charles Winter
California Department of Transportation, District 4
111 Grand Avenue
Oakland, CA 94623-0060

Phone : (510) 286-5594


State Highways
Arroyo de la Laguna
Other Location Info

Notice of Completion

Review Period Start
Review Period End
Development Type
Transportation:Other (pavement rehabilitation)
Project Issues
Aesthetic/Visual Archaeologic-Historic Biological Resources Flood Plain/Flooding Toxic/Hazardous Water Quality Wetland/Riparian
Reviewing Agencies
California Department of Parks and Recreation California Highway Patrol Department of Conservation Department of Fish and Wildlife, Region 3 Department of General Services Department of Water Resources Native American Heritage Commission Office of Historic Preservation Regional Water Quality Control Board, Region 2 Resources Agency State Lands Commission State Water Resources Control Board, Division of Drinking Water
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