County of Sonoma, California

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Road Closures

Road Closures & Restrictions (Unincorporated Areas)

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13 Current Road Closures

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13 Road Closures
Road NameLocationStatusDescription
Road NameLocationStatusDescription
Austin Creek RoadCazaderoClosedAustin Creek Road is closed south of Kramer Road
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 LaneMay 31 Caltrans will begin a project to restore traffic striping on Hwy 116 between Forestville and Guerneville, in the Pocket Canyon Creek area. One way traffic control will begin Tuesday, May 31, and continue for approximately 3-4 weeks. Expect delays
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.
Lakeville HwyPetalumaClosedLakeville Hwy is now CLOSED due to major injury accident. Avoid this area - Please use 101 to SR 37 as a alternate route
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.
Skillman LanePetalumaOne LaneJune 27-30, Pavement repairs along Skillman Lane. Expect slight delays.
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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