County of Sonoma, California

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Road Closures

Road Closures & Restrictions (Unincorporated Areas)

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12 Current Road Closures

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12 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 12Agua CalienteOne LaneHwy 12 Improvements between Agua Calente Road to Boyes Blvd 8:00am to 4:30pm Monday through Friday - Possible delays up to 5 minutes
King Ridge RoadCazaderoOne LaneKing Ridge Road approximately 1 mile from Cazadero Hwy has one lane traffic due to slide - please drive with care
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 LaneStarting April 18th - Crews will be replacing a viaduct on Summerhome Park Road. One lane traffic controls wil be in place with minor delays. This project will take approximately 6 weeks
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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