Marin County US-101 Ramp Metering Repair and Installation DDO (EA 4X880)
Summary
SCH Number
2026030678
Public Agency
California Department of Transportation, District 4
(DOT)
Document Title
Marin County US-101 Ramp Metering Repair and Installation DDO (EA 4X880)
Document Type
NOE - Notice of Exemption
Received
Posted
3/17/2026
Document Description
Caltrans proposes repairing, reinstalling, and installing ramp metering equipment on US-101 in Marin County from post mile (PM) 1.84 at Monte Mar Drive to PM 12.27 at Villa Avenue. This project will ease mainline traffic and congestion along US-101. Construction will involve repairing and installing loop detectors, flashing beacons, advanced warning signals and signs, and ramp metering foundations at eight locations. Any damaged or removed pavement delineation and striping will be replaced.
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
Corte Madera, San Rafael, Sausalito
Counties
Marin
Regions
Northern California, San Francisco Bay Area
State Highways
101
Other Location Info
The project is located on US-101 in Marin County from post mile (PM) 1.84 at Monte Mar Drive to PM 12.27 at Villa Avenue.
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 impacts resulting from the project.
County Clerk
Marin
Attachments
Notice of Exemption
Disclaimer: The Governor’s Office of Land Use and Climate Innovation (LCI) accepts no responsibility for the content or accessibility of these documents. To obtain an attachment in a different format, please contact the lead agency at the contact information listed above. For more information, please visit LCI’s Accessibility Site.