SR-12 Centerline Rumble Strips Installation Project (EA 3X970)
Summary
SCH Number
2025120660
Public Agency
California Department of Transportation, District 4
(DOT)
Document Title
SR-12 Centerline Rumble Strips Installation Project (EA 3X970)
Document Type
NOE - Notice of Exemption
Received
Posted
12/16/2025
Document Description
Caltrans proposes installing centerline rumble strips and traffic striping at two locations along State Route (SR-) 12 in Sonoma County. The first location is from PM R12.9 to T17.4 and the second is from PM 24.8 to 25.2. The purpose of the project is to reduce vehicle collisions. One-way traffic control will be required during construction. All work is limited to the paved roadway mainline within Caltrans right of way (ROW). Project construction is scheduled to begin in June of 2026. Equipment shall be staged within Caltrans ROW in areas absent of vegetation.
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
Unincorporated Sonoma County
Counties
Sonoma
Regions
Northern California, San Francisco Bay Area
State Highways
SR-12
Other Location Info
The project is located at two location on State Route 12 in Sonoma County, from post mile (PM) R12.9 to T17.4 and PM 24.8 to 25.2.
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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