County of Sonoma, California

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Road Closures

Road Closures & Restrictions (Unincorporated Areas)

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17 Current Road Closures

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17 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
Burnside RoadSebastopolOne LaneMay 23-26, 7:30am to 4:00pm - Replacing several cross culverts - Expect slight delays
Geysers RoadHealdsburgOne LaneGeysers Road is now down to one lane near Post Mile 12.27 due to washout - please travel carefully in this area
Geyserville AvenueGeyservilleOne LaneGeyserville Avenue near Hamilton Lane is now closed due to downed trees
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
Llano RoadSanta RosaOne LaneStarting May 25th - Work crews will expose the pipe line on the shoulder of Llano Road. This will allow City staff to monitor the pipe line. The duration of phase one of the work is expected to last approximately 10 calendar days.
Odd Fellow Park Summer CrossingKorbelClosedThe Odd Fellow Park Road Summer Crossing is closed for the season. Use Highway 116 and River Road (through Guerneville) as alternate routes.
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.
St Helena RoadSanta RosaOne LaneSt. Helena Road is now down to one lane at West Summit Trail due to roadway erosion
Summerhome Park RoadGuernevilleOne LaneMay 23-26, 7:30 to 4:00pm - Summerhome Park Road viaduct replacement. Expect slight delays
Vacation Beach Summer CrossingGuernevilleClosedVacation Beach Summer crossing is now closed. Take Neeley Road from Guerneville as an alternate route.
Washington School RoadGeyservilleClosedThe Asti Summer Crossing for the season. Take River Road and Crocker Road as alternate routes.

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