County of Sonoma, California

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Road Closures & Delays

Road Closures & Restrictions

Special Notice: Please be aware that Sonoma County roads inside the wildfire burn areas are subject to intermittent closure without notice due to reconstruction activities including but not limited to utility work and large equipment deliveries. Long term road closures will include posted detours. Please drive with caution.

Special Notice: The Department of Transportation and Public Works will safely close roads immediately in response to downed power lines. Roads will be reopened following response by PG&E to clear the road and turn electrical service back on.

The following map and listing indicates road closures and delays on county roads and city streets within Sonoma County. This list is not comprehensive, and does not include events on state highways, private roads, or any roads outside of Sonoma County.


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County Roads (Unincorporated)

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28 County Roads
Road NameLocationClosure TypeDescriptionStatusLast Update
Road NameLocationClosure TypeDescriptionStatusLast Update
Piner RoadSanta RosaPlanned ClosureRoad work at 2948 Piner Road from July 29 to August 12 from 7:30am to 4:30pm. Use River Road as a detourActive7/22/2019 7:59 AM
Pleasant Hill Rd.SebastopolDelaysOngoing road work from Lynch Rd. to Sebastopol City Limits; Expect delaysActive7/17/2019 12:15 PM
Green Hill Rd.SebastopolDelaysOngoing road work from Occidental Rd. to Graton; Expect delaysActive7/17/2019 12:13 PM
Green Valley Rd.SebastopolDelaysOngoing road work from HWY 116 to Sullivan; expect delaysActive7/17/2019 12:11 PM
Willowside RdSanta RosaDelaysOngoing road work from Guerneville Rd. to Piner Rd.; Expect delaysActive7/17/2019 12:08 PM
Moscow RdDuncans MillsDelaysOngoing road work from 116 to Starrett Hill; Possible reduced lanes; expect 20-25 minutes delayActive7/17/2019 12:06 PM
Todd Rd.Santa RosaDelaysOngoing road work from Laguna Bridge to Llano Rd.; Reduced lanes; expect 10-15 minutes delayActive7/17/2019 12:05 PM
Hunter LnRohnert ParkDelaysOngoing road work from Hunter Ln. Ext. to dead end; expect 15-20 minutes delayActive7/17/2019 12:05 PM
Pepper RdPetalumaDelaysOngoing road work west of Stony Point; Expect 15-20 minutes delayActive7/17/2019 12:04 PM
Arnold Dr.SonomaDelaysOngoing roadwork from Boyes Blvd. to Madrone; Expect delaysActive7/17/2019 12:03 PM
King Ridge RoadCazaderoReduced LanesVarious locations on King Ridge Road are down to one lane due to slip outsActive7/17/2019 10:05 AM
Pine Flat RoadHealdsburgClosedFULL CLOSURE At 5500 block due to slide. Residents only beyond this point.Long-Term7/2/2019 3:23 PM
Neeley RoadGuernevilleReduced Lanes1 lane due to landslideLong-Term7/1/2019 12:41 PM
Moscow RoadDuncans MillsClosedMoscow Road is now closed just east of 22776 due to slip outLong-Term7/1/2019 11:54 AM
Pine Mountain RoadCloverdaleReduced Lanes5 miles up from Geyers Road - slip outLong-Term7/1/2019 11:54 AM
Old Cazadero RoadCazaderoClosedAt 18237 road is closed due to slip outLong-Term7/1/2019 11:54 AM
Donner DriveSanta RosaReduced LanesSlideLong-Term7/1/2019 11:54 AM
Mays Canyon RoadGuernevilleReduced Lanes12030 Mays Canyon Road - 1 Lane due to SlideLong-Term7/1/2019 11:53 AM
Stewarts Point Skaggs Springs RoadHealdsburgReduced LanesSeveral locations between Old Skaggs Springs Road 33.34 and Annapolis Road PM 16.60Long-Term7/1/2019 11:53 AM
Stewarts Point Skaggs Springs RoadAnnapolisReduced LanesSeveral areas between Old Skaggs Springs Road 33.34 and Annapolis Road PM 16.60Long-Term7/1/2019 11:53 AM
Fort Ross RoadFort RossReduced Lanesbetween Meyers Grade Road and Cazadero HwyLong-Term7/1/2019 11:53 AM
Fort Ross RoadCazaderoReduced Lanesbetween Cazadero Highway and Meyers GradeLong-Term7/1/2019 11:53 AM
Geysers RoadCloverdaleClosedFULL CLOSURE at 180 Geysers Road in Cloverdale due to Landslide. Residents only beyond this point.Long-Term7/1/2019 11:53 AM
Bohemian HwyMonte RioClosedClosed between 9280-9500 - SlideLong-Term7/1/2019 11:53 AM
Old Cazadero RoadCazaderoClosedEast of Cazadero highway - LandslideLong-Term7/1/2019 11:53 AM
Cherry Creek RoadCloverdaleReduced LanesSlip OutLong-Term7/1/2019 11:53 AM
Cazadero HwyCazaderoReduced LanesPostmiles 12.92 to 13.30 - Roadway SlipoutsLong-Term7/1/2019 11:53 AM
Mill Creek RoadHealdsburgReduced Lanes7300 block - Slip OutLong-Term7/1/2019 11:53 AM