I-580 Guardrail and Concrete Barrier Installation Project (EA 04-4X840)
Summary
SCH Number
2026100365
Public Agency
California Department of Transportation, District 4
(DOT)
Document Title
I-580 Guardrail and Concrete Barrier Installation Project (EA 04-4X840)
Document Type
NOE - Notice of Exemption
Received
Posted
10/12/2026
Document Description
The California Department of Transportation (Caltrans) proposes installing guardrail and concrete barrier on westbound (WB) Interstate (I-) 580 in the City of Oakland, Alameda County, from post mile (PM) 44.081 to PM 45.667. The project will install Midwest Guardrail System (MGS) Type 12D on WB I-580 at PM 45.667 and concrete barrier (Type 60M) on the WB I-580 off-ramp to Santa Clara/Oakland Ave. The project will improve traffic safety and prevent run-off-road collisions. Construction equipment may involve, but not be limited to, backhoes, drilling equipment, concrete mixers, and vacuum cleaners. Some project elements will occur off the paved roadway. Clearing and grubbing of vegetation will be required prior to construction.
Contact Information
Name
Juliane Smith
Agency Name
Caltrans
Job Title
Senior Environmental Scientist (NEPA/CEQA Specialist)
Contact Types
Lead/Public Agency / Project Applicant / Parties Undertaking Project
Address
Phone
Email
Location
Cities
Oakland
Counties
Alameda
Regions
Northern California, San Francisco Bay Area
State Highways
580
Other Location Info
The project is located on westbound Interstate (I-) 580 in the City of Oakland, Alameda County, from post mile (PM) 44.081 to PM 45.667
Notice of Exemption
Exempt Status
Categorical Exemption
Type, Section or Code
PRC 21084; 14 CCR 15301 Class 1
Reasons for Exemption
Class 1 Existing Facilities. The project is not anticipated to result in any environmental impacts. The project contains a number of standardized project measures which are employed on most, if not all, Caltrans projects and were not developed in response to any specific environmental impact resulting from the project.
County Clerk
Alameda
Attachments
Notice of Exemption
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