County of Sonoma, California

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Road Closures

Road Closures & Restrictions (Unincorporated Areas)

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18 Current Road Closures

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18 Road Closures
Road NameLocationStatusDescription
Road NameLocationStatusDescription
Austin Creek RoadCazaderoClosedAustin Creek Road is closed south of Kramer Road
Bloomfield RoadSebastopolOne LaneJuly 25-29, Crews will be on Bloomfield Road between Pleasant Hill Road and Tiller Lane - Expect delays up to 15 minutes between 8:00am to 7:00pm
Browns LanePetalumaClosedBrowns Lane will be closed to non-resident traffic from April 18th to July 31 - Mountain Cascade will be installing new pipe under roadway. Please use alternative route
Geysers RoadHealdsburgOne LaneGeysers Road is now down to one lane near Post Mile 12.27 due to washout - please travel carefully in this area
Hwy 1Bodega BayOne LaneStarting May 10th, Caltrans is beginning a paving and repair project on State Route 1 that begins at the Marin County/Sonoma County line and continues north to South Harbor Way. One-way reversible traffic control, Monday-Thursday 6am to 8pm.
Hwy 116GuernevilleOne LaneStarting July 20, Caltrans contractor will activate a temporary traffic signal system that is being installed for one-way reversible traffic control this will continue for approximately 3 months for construction of soldier pile wall.
Hwy 12Agua CalienteOne LaneHwy 12 Improvements between Agua Calente Road to Boyes Blvd. 8am to 430pm, Monday - Friday. Night work from 8 pm to 6 am with lane closures for 10:30pm to 6am with traffic control
King Ridge RoadCazaderoOne LaneKing Ridge Road approximately 1 mile from Cazadero Hwy has one lane traffic due to slide - please drive with care
Lakeville StCity of PetalumaOne LaneSidewalk/ADA, Paving & Traffic Loop installation. Intermittend lane closures Lakeville between Caufiled and E Washington. M-F 7AM to 5PM June - September.
Liberty RoadPetalumaOne LaneJuly 25-29, Crews will be on Liberty Road between Skillman Lane and Pepper Road between 8:00am to 7:00pm - Expect delays up to 15 minutes
Lynch RoadSebastopolOne LaneJuly 25-29 - Crews will be on Lynch Road between Pleasant Hill Road and Hwy 116 8:00am to 7:00pm - Expect delays up to 15 minutes
Old Duncans GradeCazaderoClosedOld Duncans Grade, between Austin Creek Road and Cazadero Hwy, is closed due to accident damage to the bridge. To cross Austin Creek, use alternate bridge - Cazadero Highway at Austin Creek Road, approximately 3 miles north.
Old Monte Rio RoadMonte RioClosedOld Monte Rio Road, between Sunny Drive and Cnopius Road, is closed due to a landslide. Alternate routes are required.
Old Redwood HwyCotatiClosedOld Redwood Highway between E. Cotati Ave and Page St will be closed for Construction from 7/25 to 10/1 between the hours of 9 am to 4 pm.Use alternate routes. Detour signs will be posted. Businesses will be open
Pepper RoadPetalumaOne LaneJuly 25-29, Crew will be on Pepper Road between Bodega Avenue and Mecham Road 8:00 am to 7:00pm - Expect delays up to 15 minutes
Petaluma Hill RoadRohnert ParkOne LaneJuly 25-29, Crews will be working on Petaluma Hill Road between Snyder Lane and Santa Rosa City Limits. 8:00am to 7:00pm - Expect delays up to 25 minutes
South Fitch Mountain RoadHealdsburgOne LaneJuly 20 - Tree work at 1890 South Fitch Mountain Road. Expect delays, use alternate routes, 8am-5pm
St Helena RoadSanta RosaOne LaneSt. Helena Road is now down to one lane at West Summit Trail due to roadway erosion

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