County of Sonoma, California

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Road Closures

Road Closures & Restrictions (Unincorporated Areas)


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11 Current Road Closures

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11 Road Closures
Road NameLocationStatusDescription
Road NameLocationStatusDescription
Arnold DriveGlen EllenOne LaneJune 29 - July 2, Arnold Drive between Glen Ellen Bridge to Hwy 12 - Sidewalk work and construction, intermittent shoulder closures with minimal impact to traffic
Chalk Hill RoadWindsorOne LaneJuly 8th - between 8:00 am and 5:00 pm - Tree service will be removing a tree near 12345 Chalk Hill Road. There will be one lane traffic control, expect delays or use alternative route
Corona RoadPetalumaOne LaneJune 29 - July 2, Crack sealing Corona Road between Ely Road North and Adobe Road. Watch for single lane sclosusres and one lane traffic controls.
Elphick RoadSebastopolOne LaneJuly 1, between 8:00 am and 4:00 pm - Tree service will be removing a tree on Elphick Road. There will be one lane traffic control, expect delays or use alternative route
Graton RoadGratonOne LaneJuly 2 between 10am and 5pm - A tree service will be removing a eucalyptus tree on Graton Road near Peak Pike Road. One lane traffic control, expected delays or use alternative route
Hwy 12Boyes Hot SpringsOne LaneHighway 12 Improvements, Monday - Friday from 7am to 6pm. PG&E will be working at same site Monday-Friday, 7pm to 6am. Two-way traffic control with lane shifts. Expect delays up to 15 minutes
Laguna RoadSanta RosaOne LaneJune 29-July 2, Crack sealing Laguna Road from Guerneville Road to Vine Hill School Road. Watch for single lane closures and one lane traffic controls
Old Duncans GradeCazaderoClosedOld Duncans Grade, between Austin Creek Rd and Cazadero Hwy, is closed due to accident damage to the bridge. Use alternate routes.
Old Monte Rio RdMonte RioClosedOld Monte Rio Rd, between Sunny Dr and Cnopius Rd, is closed due to a landslide. Alternate routes are required.
Pacific AvenueJennerOne LaneJune 29 - July 2, Replacing bridge viaduct - Expect delays, 7:30am to 4:00pm
Westside RoadWindsorOne LaneStarting June 11 crews will be replacing a failed 6 foot cross culvert that runs under the length of the roadway. There will delays up to 30 minutes. Please use alternative route

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