Rectangular Rapid Flashing Beacons Project (Collision Severity Reduction)


SCH Number
Public Agency
California Department of Transportation, District 4 (DOT)
Document Title
Rectangular Rapid Flashing Beacons Project (Collision Severity Reduction)
Document Type
NOE - Notice of Exemption
Document Description
A categorical exclusion/exemption has been prepared for this project that proposes to install Rectangular Rapid Flashing Beacons (RRFBs) to enhance traffic safety by reducing collisions between vehicles and pedestrians/bicyclists at uncontrolled marked pedestrian crosswalks at ramp intersections. Install 43 new Rectangular Rapid Flashing Beacons systems at 14 interchanges on various routes in San Mateo County. Additional non-standard items including ramp meters, curb ramps and sidewalks will be upgraded to current standard. Drain inlets and pull boxes will be replaced within project limits. Also refresh existing crosswalks with high visibility thermoplastic striping.

Contact Information

Nina Hofmarcher
Agency Name
California Department of Transportation
Job Title
Associate Environmental Planner
Contact Types
Lead/Public Agency / Project Applicant


San Mateo
State Highways
92, 101, 280, and 380

Notice of Exemption

Exempt Status
Categorical Exemption
Type, Section or Code
1(d) 15301
Reasons for Exemption
The project is within Caltrans right-of way. This project contains a number of standardized avoidance and minimization 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 proposed project.
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