SON-101 Guardrail Installation (EA 3X750)
Summary
SCH Number
2025111027
Public Agency
California Department of Transportation, District 4
(DOT)
Document Title
SON-101 Guardrail Installation (EA 3X750)
Document Type
NOE - Notice of Exemption
Received
Posted
11/24/2025
Document Description
Caltrans proposes installing Midwest Guardrail System (MGS) on US-101 at San Antonio Avenue from post mile R0.20 to R0.40. The guardrail will connect to the existing guardrail on the south end and have end treatment at the approach end. The guardrail is intended to protect errant drivers. Some project elements will occur off the paved roadway, but all work will remain within Caltrans right of way. Construction shall be staged within Caltrans right of way in areas absent of vegetation or in designated parking areas. The project is proposed to be constructed in June of 2026.
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
Petaluma
Counties
Sonoma
Regions
Northern California, San Francisco Bay Area
State Highways
US-101
Other Location Info
The project is located in the City of Petaluma, Sonoma County, on US-101 at San Antonio Avenue from post mile R0.20 to R0.40.
Notice of Exemption
Exempt Status
Categorical Exemption
Type, Section or Code
PRC 21084; 14 CCR 15301 Class 1(c)
Reasons for Exemption
Class 1(c) 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 impacts resulting from the project.
County Clerk
Sonoma
Attachments
Notice of Exemption
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