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Current Construction Projects 

Road Closures & Delays

For a complete listing of road closures and restrictions in Sonoma County, please visit roadconditions.sonoma-county.org.

Road Closure (28x27)Closed or Restricted Access 
Road Advisory (28x27)Current Delay or Other Advisory
Planned Road Work (28x27)Planned Road Work 

Showing: 19 of 9

  • The project involves removing and replacing 10 damaged cross-culverts, within the County ROW, located on multiple roads throughout the County. Headwalls, drainage inlets, and junction boxes will be installed. Existing pavement, striping and markings within pavement limits shown on plans will be replaced.

  • The project will remove 344 and limb 14 dead, dying or hazardous trees as well as remove road side fuels on portions of Fort Ross Road, Hauser Bridge Road, King Ridge Road, Old Cazadero Road and Rio Nido Road.
  • The scope of the proposed construction work will include conform grinding, removal and replacement of failed asphalt in localized areas (digouts), striping removal, installation of thermoplastic striping, installation of bicycle signage, shoulder backing, guard rail improvements, culvert rehabilitation, utility cover adjustments and traffic control.

  • The work to be done consists, in general of a full-depth reclamation, placement of an asphalt concrete overlay, and/or remove and replacement of asphalt concrete on various County Roads.

  • This project will consist of multiple treatment applications including: Double Chip Seal, Slurry Seal, Microsurfacing and Cape Seal treatments as well as associated flagging, traffic control, crack sealing, cross culvert replacement, ditch cleaning, pavement delineation, signage, and replacement of asphalt concrete surfacing (digouts).

  • The Boyes Boulevard Bridge project work to be done includes installation of a temporary pedestrian bridge, various utility relocations, demolition of the existing bridge, construction of the new Boyes Bridge and roadway approaches and other improvements that include drainage improvements, lighting, concrete work, hot mix asphalt paving, and removal of the temporary pedestrian bridge.

  • This project consists of repairs at three separate sites along Geysers Road.
  • This project repairs landslide that occurred during the 2017 February Winter Storms.
  • This project includes construction of a new two-lane road bridge over Mark West Creek, on Wohler Road. The new bridge will be constructed on a new alignment and the current bridge demolished only after construction of the new bridge is complete.
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Contact Information

Johannes J. Hoevertsz


Transportation & Public Works
Business Hours
Monday – Friday
8:00 AM – 12:00 PM

By appointment only.

Contact us by Phone
Office Location
La Plaza B
2300 County Center Drive
Suite B 100
Santa Rosa, CA 95403
38.462006, -122.725384

Road Paving Projects

Sonoma County Pavement Preservation Program


See information about road paving projects in unincorporated Sonoma County.

Measure M

See information about the Measure M Sales Tax


Read more about the Traffic Relief Act, passed by Sonoma County voters in 2004.

Standard Plans

Construction Standards for County Roads


Standard plans for construction of roads and related structures.