County of Sonoma, California

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Road Closures

Road Closures & Restrictions (Unincorporated Areas)


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24 Current Road Closures

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24 Road Closures
Road NameLocationStatusDescription
Road NameLocationStatusDescription
Austin Creek RoadCazaderoClosedAustin Creek Road is closed south of Kramer Road
East Napa StreetSonomaOne LaneAugust 22, 7:00am to 5:00pm - Crews will be on East Napa Street between Sonoma City Limits and 8th Street East, Chip Sealing roadway - Expect delays up to 15 minutes, please use alternative route if possible
Geysers RoadHealdsburgOne LaneStarting July 25 - Bridge crew will be on Geysers Road at Post Mile 12.27 approximately 2 miles up from Red Winery Road. Delays will be up to 2 hours during this pile wall repair which will take 4-6 weeks. Please use alternative route around 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 1Bodega BayOne LaneAugust 15-Caltrans will begin road repair on a section of Hwy 1 near Gleason Beach. Caltrans closed the southbound lane due to substantial erosion of this coastline road. Caltrans expects the Hwy to open back up to two lanes within 4-6 weeks.
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. 8:00am to 4:30pm, Monday - Friday with traffic control
Jonive RoadSebastopolClosedAugust 22, Jonive will be closed from 9:00am to 3:00pm - Jonive Road near Bodega Hwy - crews will be replacing a culvert. August 23 - Road will be open but expect delays up to 30 minutes. Please use alternative route
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.
Llano RoadSanta RosaOne LaneAugust 22-26, 7:00am to 7:00pm crews will be on Llano Road between Hwy 116 to Todd Road to lower utilities in prep for FDR - expect delays up to 15 minutes - Please use alternative route around if possible
Madrone RoadSonomaOne LaneAugust 23, 7:00am to 5:00pm Crews will be Chip Sealing Madrone Road from Arnold Drive to Hwy 12 - Expect delays up to 15 minutes, please use alternative route if possible
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
Petaluma Hill RoadRohnert ParkOne LaneAugust 22-26, between 8:00am and 7:00pm, Crews will be working on Petaluma Hill Road between Snyder Lane and Santa Rosa City Limits. Expect delays up to 20 minutes, please try and use alternative route
Pressley RoadRohnert ParkOne LaneAugust 24-September 1, Monday - Thursday from 8:00am to 4:00pm - Culvert replacement on Pressley Road - Expect delays up to 30 minutes
Rohnert Park ExpresswayRohnert ParkOne LaneAugust 22-26 between 8:00am and 7:00pm Rohnert Park Expressway between Stony Point Road and RP City Limits, Road base repairs will be taking place - Expect delays up to 15 minutes, please use alternative route if possible
Santa Rosa AvenueSanta RosaOne LaneAugust 22-26 from 8:00am to 7:00pm - Santa Rosa Avenue between Roberts Lake Road to Santa Rosa City Limits - Two-way traffic control, delays up to 5 minutes
Sebastopol RoadSanta RosaOne LaneAugust 22-26, 8:00am to 7:00pm - Crews will be upgrading curb ramps on Sebastopol Road near West Avenue - Expect delays up to 5 minutes
St Helena RoadSanta RosaOne LaneSt. Helena Road is now down to one lane at West Summit Trail due to roadway erosion
Warm Springs RoadGlen EllenOne LaneAugust 22 - 26 between 8:00am and 7:00pm - Road base repairs on Warm Springs Road between Bennett Valley Road and Arnold Drive - Expect delays up to 15 minutes - please use alternative route if possible
Warm Springs RoadSonomaOne LaneAugust 24 & 25, 7:00am to 5:00pm - Warm Springs Road between Hwy 12 and Bennett Valley Road will be Chip Sealed. Expect delays up to 15 minutes - Please use alternative route if possible
Watmaugh RoadSonomaClosedAugust 22-26, 7:00am to 7:00pm - Watmaugh Road will be closed between Hwy 116 to Arnold Drive - Full depth reclamation of road. Please use alternative route around this area

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