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San Luis Obispo County, California




The Traffic Engineering Department maintains the following traffic signals:
South Bay Boulevard @ Santa Ysabel (Los Osos)
Los Osos Valley Road @ Doris Avenue (Los Osos)
Los Osos Valley Road @ 9th / 10th Street (Los Osos)
Los Osos Valley Road @South Bay Boulevard (Los Osos)
Los Osos Valley Road @ Foothill Road (Los Osos)
Los Osos Valley Road @ Palisades (Los Osos)
Tefft Street @ Thompson
Tefft Street @ Mary Avenue (Nipomo) 
Tefft Street @ Orchard Avenue (Nipomo)
Tefft Street @ Pomeroy Road (Nipomo)
Tefft Street @ Oakglen Avenue (Nipomo)
Vineyard Drive @ Main Street (Templeton)
Orchard @ Division
Main @ Pine Knolls
South Bay @ El Morro
Las Tablas @ Bennet
San Luis Bay @ Avila Beach Dr
Avila Beach Dr @ 1st St
Willow @ Pomeroy (In Design)

Questions, comments, and concerns during business hours (M-F 8-5) contact the Public Works Department at (805) 781-5252. or use our Contact Us form

All emergencies on the weekends, evenings, and holidays contact the California Highway Patrol at (805) 593-3333.


The Traffic Engineering Department is not responsible for most of the streetlights in the unincorporated areas of San Luis Obispo County.
Streetlights are maintained by PG&E. Outages or other problems should be reported directly to PG&E at 1-800-743-5000. PG&E will require the following information:
Pole Type (wood or steel)
Pole Number (located on the pole)